Robin Chittenden / Highland cow (Bos taurus) feeding in long grass, Strumpshaw Fen RSPB, Norfolk, UK, May.

Franco Banfi / Scuba diver and yellow sponges (Aplysina cavernicola) on Brioni Steamship wreck, Vis Island, Croatia, Adriatic Sea, Mediterranean. Model released.

Franco Banfi / Scuba diver under and between ice formations, Lake Sassolo, Sambuco valley, Ticino, Switzerland. Model released.

Franco Banfi / Diver with rebreather inside sea cage used for aquaculture with thousand of Gilt-head bream (Sparus aurata) Ponza Island, Italy, Tyrrhenian Sea, Mediterranean. Model released.

Franco Banfi / Diver with rebreather inside sea cage used for aquaculture with thousand of Gilt-head bream (Sparus aurata) Ponza Island, Italy, Tyrrhenian Sea, Mediterranean. Model released.

Pete Oxford / Pearl farming lines underwater, J Hunter Pearl Farm, Savusavu island, Fiji, South Pacific, April 2014. Fiji is known for producing 'black' pearls.

Rhonda Klevansky / Shadow of person with surfboard walking on beach, Durban, KwaZulu-Natal, South Africa, August, 2009.

David Woodfall / Bee keeper with hives on Manchester Art Gallery roof, England, UK, June 2014.

Ernie Janes / Dog walkers walking along The Wash in evening low tide, Norfolk, UK August 2013

Franco Banfi / Scuba diver and Forkbeard (Phycis phycis) on Teti wreck, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Reabreather divers and wall covered with Yellow cluster anemone (Parazoanthus axinellae) Ischia Island, Italy, Tyrrhenian Sea, Mediterranean

Franco Banfi / Spectacled caiman (Caiman crocodilus) watched by tourist on bridge, Rio Bai­a Bonita, Bonito, Mato Grosso do Sul, Brazil