Nick Upton / Rows of seating for the Concert Hall within a volcanic lava tube, Cueva de Los Verdes, Lanzarote, Canary Islands, February 2018.

Jack Dykinga / Poolhall in the Alamdeda, Alamos, Sonora, Mexico 1992

Wild Wonders of Europe / Widstrand / Dining area, Mons Baebius lodge, Velebit Mountains Nature Park, Croatia, April 2014.

Roger Powell / Sulphur-crested cockatoo (Cacatua galerita) looking down from a fir tree, Halls Gap, Victoria, Australia.

Roger Powell / Sulphur-crested cockatoo (Cacatua galerita) resting in a eucalyptus tree, Halls Gap, Victoria, Australia.

Nick Upton / Narcissus bulb fly / Large narcissus fly (Merodon equestris var. validus), a hoverfly that mimics red-tailed bumblebees, nectaring on an Oxeye daisy / Marguerite (Leucanthemum vulgare) in a perennial...

Nick Upton / Six spot Burnet moth (Zygaena filipendulae) taking off after nectaring on Birdsfoot trefoil (Lotus corniculatus) in a perennial wildflower meadow planted around university Halls of Residence by Bristo...

Nick Upton / Red-tailed bumblebee (Bombus lapidarius) flies to Birdsfoot trefoil (Lotus corniculatus) in a perennial wildflower meadow planted around university Halls of Residence by Bristol University's Urban Pol...

Nick Upton / Perennial wildflower meadow including Birdsfoot trefoil (Lotus corniculatus), Oxeye daisies (Leucanthemum vulgare) and Red Clover (Trifolium pratense) to attract and support bees and other insects pla...

Nick Upton / Perennial wildflower meadow including Birdsfoot trefoil (Lotus corniculatus), Oxeye daisies (Leucanthemum vulgare) and Red Clover (Trifolium pratense) to attract and support bees and other insects pla...

David Pattyn / Hanuman / Northern Plains Grey Langur (Semnopithecus entellus) sitting at the edge of a pool in hotel, Ranthambore National Park, Rajasthan, India

MYN / Lily Kumpe / Redeye Cicada (Psaltoda moerens) moulting. Halls Gap, Northern Grampians Shire, Victoria, Australia. Meetyourneighbtous.net project

Russell Laman / Reef manta (Mobula alfredi) getting cleaned of parasites, dead skin, bacteria, and mucus by Blacklip butterflyfish (Chaetodon kleinii) and Moon wrasse (Thalassoma lunare) at a cleaning station in Raja...

Doug Perrine / Blacklip butterflyfish (Chaetodon kleinii) swimming over coral reef, Kona, Hawaii, Pacific Ocean.

Doug Perrine / Blacklip butterflyfish (Chaetodon kleinii) portrait, Kona, Hawaii, Pacific Ocean.

Doug Perrine / Blacklip butterflyfish (Chaetodon kleinii) portrait, Kona, Hawaii, Pacific Ocean.

Sirachai Arunrugstichai / School of Sunburst butterflyfishes (Chaetodon kleinii) swoop in to feed on the eggs of Sergeant major (Abudefduf saxatilis) Lembeh Strait, North Sulawesi, Indonesia.

Sirachai Arunrugstichai / School of Sunburst butterflyfishes (Chaetodon kleinii) swimming along the reefs, while waiting to feed on the eggs of Sergeant major (Abudefduf saxatilis), Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Klein's butterflyfish (Chaetodon kleinii) feeding on Sergeant major eggs. Bali, Indonesia.