Nick Upton / Mute swan (Cygnus olor) female and a young cygnet foraging in sunset light, Kennet and Avon canal, Caen Hill, Wiltshire, UK, June.

Ross Hoddinott / Mallard duck (Anas platyrhynchos) drake swimming through reflection of house, Bude canal, Cornwall, UK. April 2015.

Claudio Contreras / Canal between chinampas, a wetland agricultural system, at dawn, Xochimilco wetlands, Mexico City, November

Claudio Contreras / Boat on canal between chinampas, a wetland agricultural system. Xochimilco wetlands, Mexico City, September

Gavin Hellier / Timelapse of people boarding gondolas inside the Venetian Casino and Hotel, Las Vegas, Nevada, USA, 2011.

Gavin Hellier / Timelapse of gondolas in the canals of the Venetian Casino and Hotel on Las Vegas Boulevard, Las Vegas, Nevada, USA, 2011.

David Noton / Row boats on the Canal du Midi near Carcassonne, Languedoc, France, May 2005.

Pascal Tordeux,Pascal Tordeux / Two rows of Poplar (Populus sp.) trees reflected in in flood water, during the floods of the River Oise, Picardy, France, January 2008

David Noton / The Canal du Midi near Castelnaudary, Languedoc-Rousillon, France. September 2011.

Daniel Heuclin / Coachella canal, water from Colorado river, California, USA

David Noton / The Canal du Midi at dawn. Castelnaudary, Aude, Languedoc-Roussillon, France, July 2010.

Philippe Clement / Scrap metal heap along the Ghent-Terneuzen Canal at Ghent seaport, Belgium, August 2010