Andres M. Dominguez / Portuguese oak tree (Quercus faginea) covered in moss, Los Alcornocales Natural Park, southern Spain, November.

Colin Varndell / Contorted vertical beds at Durdle Dor, Dorset, UK.

Kirkendall-Spring / Contorted trunks of Aspen trees (Populus tremula) in snow, near Brighton in Big Cottonwood Canyon, Utah, USA, February 2010

Ross Hoddinott / 2020VISION / Contorted branches and trunks of Beech trees (Fagus sylvatica) in autumn mist, Beacon Hill Country Park, The National Forest, Leicestershire, UK, October 2010. 2020VISION Exhibition. 2020VISION Book...

Stephen Dalton / Looking up at European beech tree canopy {Fagus sylvatica} with contorted trunks and branches, Wakehurst Place, West Sussex, UK

Jack Dykinga / Silhouette at sunrise of contorted wind blown Mexican pinyon pine tree {Pinus cembroides}, Sierra del Carmen in the background, Coahuila, Mexico

Jack Dykinga / Deciduous forest with Sabinos (Taxodium mucrunatum) with tangled roots, bank of the Rio Cuchujaqui Sierra Alamos, Mexico

Oriol Alamany / Strangler fig (Ficus sp) stems growing and merging into each other, Green Mountains, Lamington National Park, Rainforests of Australia UNESCO World Heritage Site, Queensland, Australia

Oriol Alamany / Strangler fig (Ficus sp) growing over Hoop Pine tree(Araucaria cunninghamii) with branches knotting round each other, Morans Falls Track, Green Mountains. Lamington National Park, Rainforests of Aust...

David Noton / Bluebells (Hyacinthoides non-scripta) in woodland near Minterne Magna, Dorset, England, UK, April.

SCOTLAND: The Big Picture / Tangled dead boughs of veteran Scots Pine (Pinus sylvestris), Rothiemurchus Forest, Cairngorms National Park, Scotland, UK, September.

David Pattyn / Trees in Hautes Fagnes Nature Reserve in winter after snowfall. This area - Noir Flohay was burnt a few years ago and some trees are still blackened, Hautes Fagnes, Belgian Ardennes, Belgium, February...