Gavin Hellier / Typical yellow taxis below skyscrapers along Sixth Avenue, Manhattan, New York City, USA, 2009. No release available.

Gavin Hellier / Tuk Tuk or auto rickshaw in motion at night, Bangkok, Thailand, 2010. Model released.

Martin Dohrn / Aerial view of yellow taxi cabs and other traffic reflected in glass of skyscraper in New York city, USA

Ashley Cooper / Boat in the Sunderbans, Ganges, Delta, India. December 2013. This area is very low lying and vulnerable to sea level rise.

Will Watson / Artichoke gall caused by a midge (Taxomyia taxi), on Yew (Taxus baccata) Leominster Priory, Herefordshire, England, UK, October 2016.

Tom Gilks / View from the back of a Matatu mini van taxi, Kenya. February 2013.

Constantinos Petrinos / Homeless beggar lies on the floor next to a taxi stand in Addis Mercato, Addis Ababa, Ethiopia. February 2009

Gary K. Smith / Venetian water taxis mooring point, Venice, Italy.

Constantinos Petrinos / Red water taxi, Dapia, Spetses Island, Aegean Sea, Greece, Mediterranean, April 2009

Constantinos Petrinos / Red water-taxis docked in harbour, Spetses Island, Aegean Sea, Greece, Mediterranean, April 2009

Staffan Widstrand / Wild Wonders of China / Bicycle taxi, Poyang Ho Lake, Jiangxi province, China

Steve O. Taylor (GHF) / Young man waiting for taxi wearing Osama bin Laden t shirt, Niger, 2003.