Gavin Hellier / Bridge spanning Lake Jablanicko near Sarajevo, Bosnia and Herzegovina, Balkans 2007

Gavin Hellier / Cobbled street lined with colourful houses known as Kujundziluk, one of the oldest streets in Mostar leading to the Old Bridge, Old Town, Mostar, Herzegovina, Bosnia and Herzegovina, Balkans, 2007. No...

Wild Wonders of Europe / della Ferrera / Trees, mainly White willow (Salix alba) in flooded karst plateau, Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Herd of sheep with an old lady sheperd in a meadow of flowering Sticky catchfly (Silene viscaria) near the village of Gubin, Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Perfoliate alexanders (Smyrnium perfoliatum) flowers and Hairy vetch (Vicia villosa) Bastasi area, Northern Livanjsko Polje (karst plateau) Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Photographer, Elio della Ferrera, holding camera sitting on fallen tree, in an oxbow of the Sava river flooded area, Lonjsko Polje Nature Park, on the Croatia Bosnia and Herzegovina border, June 2009

Wild Wonders of Europe / della Ferrera / Flowering Hairy vetch (Vicia villosa) Common poppy (Papaver rhoeas) and Buttercup (Ranunculus) in the meadows of Nuglasica area, Northern Livanjsko Polje (karst plateau) Bosnia and Herzegovina, May 20...

Wild Wonders of Europe / della Ferrera / Flowering birtworth (Aristolochia clematitis) by Ash trees (probably Fraxinus angustifolia) in riparian forest along the Trebizat River, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Globe daisy (Globularia meridionalis) flowers by the Sturba River, Southern Livanjsko Polje (karst plateau) Bastasi area, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Whirl pool with foam (from waterfall) or pollution floating on surface, Trebizat River, near the Kravice Falls, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Flooded trees, mainly White willow (Salix alba) Livanjsko Polje (karst plateau) Bosnia and Herzegovinam May 2009

Wild Wonders of Europe / della Ferrera / Meadow with flowering Sticky catchfly (Silene viscaria) and slopes of the Dinara mountain range, Gubin area, Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Flowering Thread-leaved water-crowfoot (Ranunculus trichophyllus) plants in the middle of a season river, Northern part of the Livanjsko Polje (karst plateau) Zdralovac area, Bosnia and Herzegovina, M...

Wild Wonders of Europe / della Ferrera / Ash tree (probably Fraxinus angustifolia) reflected in flood water in a forest along the Trebizat River, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Pedunculate oak (Quercus robur) covered in thick stems of Common ivy (Hedera helix) Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Ash trees (probably Fraxinus angustifolia) in flood water along the Trebizat River, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Agile frog (Rana dalmatina) in the undergrowth, with some white willow achenes, Sava river oxbow, near Puska village, Lonjsko Polje Nature Park, Croatia, June 2009

Wild Wonders of Europe / della Ferrera / Person pointing at mine warning sign in a mine field near the village of Zadrzani, Northern Livanjsko Polje, an area affected by war (1991-1995) Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Black maidenhair fern (Adiantum capillus veneris) with water falling past, near Kravice falls, Trebizat River, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Mali Troglav (1,913m) surrounded by clouds in the Dinara mountain range, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Kravice falls along the Trebizat River, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Reed (Phragmites australis) islands, Svitavsko Lake, Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Tornjak mountain sheep dog resting near herd of sheep in a partially flooded area, Livanjsko Polje (karst plateau) Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Trees, mainly White willow (Salix alba) in flooded karst plateau, Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Tree covered island in the Sava River, Lonjsko Polje Nature Park, near Puska village, Croatia (right) Bosnia and Herzegovina (left) June 2009

Wild Wonders of Europe / della Ferrera / Crab spider (probably Thomisus onustus) preying on a Bush cricket (Tettigoniidae) on Musk thistle flower (Carduus nutans / macrocephalus) near Skrka lake, Hutovo Blato Nature Park, Bosnia and Herzegov...

Wild Wonders of Europe / della Ferrera / Photographer Elio della Ferrera (on the left) and Andrija Vrdjolak looking at mine contamination area maps to plan the next days work, with the Dinara mountain range in the distance, Bastasi area, Nor...

Wild Wonders of Europe / della Ferrera / White willow (Salix alba) trees in flooded area near a graveyard and a house, Northern Livanjsko Polje (karst plateau) Kazanc area, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della F / Yellow water lilies (Nuphar lutea) and White water lilies (Nymphaea alba) on Deransko Lake at sunset, Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009 WWE OUTDOOR EXHIBITION.

Wild Wonders of Europe / della Ferrera / Hermann's / Dalmatian tortoise (Testudo hermanni hercegovinensis) near Svitava Lake, Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Herd of sheep with shepherd in the Nuglasica area, Livanjsko Polje (karst plateau) Bosnia and Herzegovina, May 200

Wild Wonders of Europe / della F / Lichens growing on a Blackthorn (Prunus spinosa) near Zadrzani village, Northern Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Pomegranate (Punica granatum) flower with an aphid on it, Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Bloody cranesbill (Geranium sanguineum) flowers covered in dew, Caprazlije area, Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Marsh spurge (Euphorbia palustris) flowering in water, Northern part of Livanjsko Polje, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Yellow water lilies (Nuphar lutea) and White water lilies (Nymphaea alba) on Deransko Lake at sunset, Hutovo Blato Nature Park, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Imature male Emerald damselfly (Lestes sponsa) on leaf covered in water droplets, Nuglasica area, Northern Livanjsko Polje (karst plateau) Bosnia and Herzegovina, May 2009 WWE INDOOR EXHIBITION

Wild Wonders of Europe / della Ferrera / Three Beautiful demoiselles (Calopteryx virgo) and spiders on grass, Trebizat river, Bosnia and Herzegovina, May 2009

Wild Wonders of Europe / della Ferrera / Amanda's blue (Polyommatus amandus) on grass seed, Nuglasica area, Northern part of Livanjsko Polje, Bosnia and Herzegovina, May 2009

Kristel Richard / A young wild black filly (Equus caballus) standing alert in the Cincar mountains, near Livno, Bosnia and Herzegovina.

Kristel Richard / A herd of wild horses (Bosnia and Herzegovina) standing alert in the Cincar mountains, near Livno, Bosnia and Herzegovina.

Kristel Richard / A herd of wild horses (Equus caballus) running in the Cincar mountains, near Livno, Bosnia and Herzegovina.

Kristel Richard / Two wild stallions (Equus caballus) fighting, in the Cincar mountains, near Livno, Bosnia and Herzegovina.

Kristel Richard / Two wild stallions (Equus caballus) fighting, in the Cincar mountains, near Livno, Bosnia and Herzegovina.

Kristel Richard / Two wild stallions (Equus caballus) running, in the Cincar mountains, near Livno, Bosnia and Herzegovina.

Kristel Richard / Portrait of a wild stallion (Equus caballus), in the Cincar mountains, near Livno, Bosnia and Herzegovina.

Ralph Martin/ BIA / Two-tailed Pasha (Charaxes jasius) butterfly, Bosnia and Herzegovina

Ralph Martin/ BIA / Two-tailed Pasha (Charaxes jasius) butterfly, Bosnia and Herzegovina

Nick Upton / View of the Gornje Bare glacier lake in the Zelengora mountain range, with Stonecrops (Sedum) in the foreground, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Big-flowered / Large yellow foxglove (Digitalis grandiflora) flowering in montane forest, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Bladder gentian (Gentiana utriculosa) flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Big-flowered / Large yellow foxglove (Digitalis grandiflora) flowering in montane forest, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Fragrant orchid (Gymnadenia conopsea) flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Bladder gentian (Gentiana utriculosa) flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Clustered bellflower (Campanula glomerata) flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Zois' violet (Viola zoysii / Viola calcarata subsp. zoysii), endemic to the Balkans, flowering in alpine grassland on Piva plateau, near Trsa, Montenegro, July.

Nick Upton / Bladder gentian (Gentiana utriculosa) flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Thick-leaved stonecrop (Sedum dasyphyllum / Sedum glaucum) flowering among limestone rocks on Mount Maglic, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Bladder gentian (Gentiana utriculosa) flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Rock cranesbill / Balkan cranesbill (Geranium macrorrhizum) flowering among limestone rocks and scree on Mount Maglic, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Zois' violet (Viola zoysii / Viola calcarata subsp. zoysii), endemic to the Balkans, flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Herdsmen's / shepherd's huts or katuns and Cattle (Bos taurus) on alpine grassland, Sedlo pass, Durmitor National Park, Montenegro, July 2014.

Nick Upton / Alpine meadows with a profusion of wild flowers in Sutjeska National Park with the Zelengora mountain range, background, Bosnia and Herzegovina, July.

Nick Upton / Alpine meadows in Sutjeska National Park with a profusion of wild flowers, including Spotted hawkweed (Hypochoeris maculata), Marguerites (Leucanthemum vulgare) and Rosebay willowherb (Epilobium / Cha...

Nick Upton / Alpine meadows in Sutjeska National Park with a profusion of wild flowers, including Spotted hawkweed (Hypochoeris maculata), Marguerites (Leucanthemum vulgare) and Rosebay willowherb (Epilobium / Cha...

Nick Upton / Hiking trail through coniferous woodland below the 2386m peak of Mount Maglic, Bosnia's highest mountain, Sutjeska National Park, Bosnia and Herzegovina, July 2014.

Nick Upton / Great yellow gentian (Gentiana lutea ssp. symphyandra) flowering spikes on Mount Piva plateau with the mountains of Sutjeska National Park in nearby Bosnia and Herzegovina, background, near Trsa, Mont...

Nick Upton / Heavily forested Velika Siljevica mountain, Zelengora range, Sutjeska National Park, Bosnia and Herzegovina, July 2014.

Nick Upton / Limestone rocks and vertically folded limestone layers of Prutas mountain, Durmitor National Park, Montenegro, July 2014.

Nick Upton / Landscape of Perucica primeval forest, one of Europe's few surviving rainforests, Sutjeska National Park, Bosnia and Herzegovina, July 2014.

Nick Upton / Donje Bare glacier lake fringed with Bulrushes (Typha latifolia), Alpine dock / Monk's rhubarb (Rumex alpinus), Heartleaf / Giant oxeye daisy (Telekia speciosa) and dense mixed forest, Zelengora mount...

Nick Upton / Towers of heavily eroded and weathered soft sandstone / conglomerate, Miljevina, near Foca, Bosnia and Herzegovina, July 2015

Nick Upton / Adiabatic clouds forming above the 2386m peak of Mount Maglic, Bosnia's highest mountain, as warm air rises, cools and is blown by the wind, Sutjeska National Park, Bosnia and Herzegovina, July 2014.

Nick Upton / Rock Pink / Wood pink (Dianthus sylvestris) flowering in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Traditional haystacks and barn at Mjesaji village in Sutjeska National Park, near Tjentiste, Bosnia and Herzegovina, July 2014.

Nick Upton / Great yellow gentian (Gentiana lutea ssp. symphyandra) flowering spikes on Mount Piva plateau with the mountains of Sutjeska National Park in nearby Bosnia and Herzegovina, background, near Trsa, Mont...

Nick Upton / Spreading bellflower (Campanula patula) flowering alongside Common yarrow (Achillea millefolium) in alpine grassland, Zelengora mountain range, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Adiabatic banner clouds forming above the 2386m limestone peak of Mount Maglic, Bosnia's mountain, as warm air rises, cools and is blown by the wind, Sutjeska National Park, Bosnia and Herzegovina, Ju...

Nick Upton / Great yellow gentian (Gentiana lutea ssp. symphyandra) flowering spikes on Mount Piva plateau with the mountains of Sutjeska National Park in nearby Bosnia and Herzegovina, background, near Trsa, Mont...

Nick Upton / Rock cranesbill / Balkan cranesbill (Geranium macrorrhizum) flowering among limestone ricks and scree on Mount Maglic, with the Zelengora range, background, Sutjeska National Park, Bosnia and Herzegov...

Nick Upton / Limestone boulders and scree on the slopes of Mount Maglic, Bosnia's highest mountain, with a view to Velika Vitao peak in Montenegro across the nearby border, Sutjeska National Park, Bosnia and Herze...

Nick Upton / Interior of Perucica primeval forest, one of Europe's few surviving rainforests, with a mix of European beech (Fagus sylvatica) and coniferous trees, Sutjeska National Park, Bosnia and Herzegovina, Ju...

Nick Upton / European stonecrop (Sedum ochroleucum) clumps flowering on a limestone boulder by Gornje Bare glacier lake with peaks of the Zelengora mountain range, background, Sutjeska National Park, Bosnia and He...

Nick Upton / View of Dubrovnik old town and ancient city walls, Croatia, July 2014.

Nick Upton / Cattle (Bos taurus) grazing alpine pastureland at Mjesaji village in Sutjeska National Park, near Tjentiste, Bosnia and Herzegovina, July 2014.

Nick Upton / Adiabatic banner clouds forming above the 2386m peak of Mount Maglic, Bosnia's mountain, as warm air rises, cools and is blown by the wind, Sutjeska National Park, Bosnia and Herzegovina, July 2014.

Nick Upton / Limestone boulders and scree on the slopes of Mount Maglic, Bosnia's highest mountain, with a view to Velika Vitao peak in Montenegro across the nearby border, Sutjeska National Park, Bosnia and Herze...

Nick Upton / Great yellow gentian (Gentiana lutea ssp. symphyandra) flowering spikes on Piva plateau, near Trsa, Montenegro, July.

Nick Upton / Great masterwort (Astrantia major) flowering in alpine grassland on the slopes of Mount Maglic, Bosnia's highest peak, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Gornje Bare glacier lake with peaks of the Zelengora mountain range, background and clumps of European stonecrop (Sedum ochroleucum), foreground, Sutjeska National Park, Bosnia and Herzegovina, July 2...

Nick Upton / European stonecrop (Sedum ochroleucum) and Spanish stonecrop (Sedum hispanicum) clumps flowering among limestone rocks and scree on Mount Maglic, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Carpet of Yellow Balkan flax (Linum capitatum) flowering on Piva plateau, near Trsa, Montenegro, July.

Nick Upton / Interior of Perucica primeval forest, one of Europe's few surviving rainforests, with a mix of European beech (Fagus sylvatica) and coniferous trees, Sutjeska National Park, Bosnia and Herzegovina, Ju...

Nick Upton / Great masterwort (Astrantia major) flowering in alpine grassland on the slopes of Mount Maglic, Bosnia's highest peak, Sutjeska National Park, Bosnia and Herzegovina, July.

Nick Upton / Traditional cottage and haystack in mountain village, near Foca, Bosnia and Herzegovina, July 2014.

Nick Upton / Adiabatic banner clouds forming above the 2386m peak of Mount Maglic, Bosnia's mountain, as warm air rises, cools and is blown by the wind, Sutjeska National Park, Bosnia and Herzegovina, July 2014.