Ingo Arndt / Fishermen on Tisza River, sunrise on a foggy morning, Hungary, June

Franco Banfi / Tourist on the boat feeding Piraputanga (Brycon hilarii) Aqua¡rio Natural, Bonito, Mato Grosso do Sul, Brazil

Doc White / Floating home, Rio Negro, Amazonia, Brazil, June 2012

Roland Seitre / Bottle-nosed Dolphins (Tursiops truncatus) at surface with calamari fishermen in the background. Senegal, West Africa.

Roland Seitre / Bottle-nosed Dolphins (Tursiops truncatus) at surface with calamari fishermen in the background. Senegal, West Africa.

Roland Seitre / Bottle-nosed Dolphins (Tursiops truncatus) at surface with calamari fishermen in the background. Senegal, West Africa.

Konrad Wothe / Fishing boats, Kalilani village at lake Tanganyika, Mahale Mountains National Park, Tanzania, East Africa

Konrad Wothe / African children bathing, Kalilani village at lake Tanganyika, Mahale Mountains National Park, Tanzania, East Africa 2011

Billy Black / Aboard a long boat, Thailand. February 2006.

Billy Black / Two long boats, Thailand. February 2006.

Billy Black / Long boats at low tide, Thailand, March 2006.

Ernie Janes / Traditional fishing boat out at sunset, Andaman Sea Thailand

Luis Quinta / Fisherman in boat at sunrise on Rio Negro, Brazil, January 2010.

Ernie Janes / Longboat moored to the bank, River Thames, Buckinghamshire, UK

Ernie Janes / Longboat entering lock on the Aylesbury arm of the Grand Union Canal, near Tring, Hertfordshire, UK

Ernie Janes / Men fishing beside longboat on the Grand Union Canal at Marsworth, Hertfordshire, UK, May

Robin Chittenden / Longboats moored on Koh Phak Bia beach, Thailand, January 2006

Roberto Rinaldi / Longboats on Delok river under the Nanga Sumpa longhouse, Sarawak, Borneo. 2002

Roberto Rinaldi / Longboats on beach, Lankayan Island, Borneo.