Cyril Ruoso / Red-headed Poison frog (Ranitomeya fantastica) Amazon, Peru

Ashley Cooper / Dalit woman / untouchable woman in her hut, illuminated by an electric light, powered by an A4 sized solar panel, that charges a battery, and enables her to have light. Karnataka, India. December 2013

Ashley Cooper / Dalit woman / untouchable woman in her hut, illuminated by an electric light, powered by an A4 sized solar panel, that charges a battery, and enables her to have light. Karnataka, India. December 2013

Guy Edwardes / Portland Bill Lighthouse, Isle of Portland, Dorset, England, UK. May 2012.

Gavin Hellier / Timelapse at dusk of the Ukraine Hotel and the Russian White House, Moscow, Russia, May 2016. Hellier

Gavin Hellier / Timelapse from day to night of Saint Basil's Cathedral, Red Square and the Kremlin, Moscow, Russia, May 2016. Hellier

Gavin Hellier / Elevated timelapse of the Ukraine Hotel and the Russian White House at night, Moscow, Russia, May 2016. Hellier

Gavin Hellier / View of the Atlanta skyline at night, with traffic moving on iInterstate 85, Atlanta, Georgia, USA, April 2015. Hellier

Gavin Hellier / Timelapse from day to night looking towards the Atlanta skyline, Georgia, USA, April 2015. Hellier

Gavin Hellier / Timelapse at dusk of people visiting the illuminated ice sculptures at the Harbin Ice and Snow Festival, Heilongjiang Province, ChinaFebruary 2015. Hellier

Gavin Hellier / Timelapse from day to night of people visiting the illuminated ice sculptures at the Harbin Ice and Snow Festival, Heilongjiang Province, China, February 2015. Hellier

Gavin Hellier / Timelapse of people visiting the illuminated ice sculptures at the Harbin Ice and Snow Festival at night, Heilongjiang Province, China, February 2015. Hellier

Gavin Hellier / Timelapse of people visiting the illuminated ice sculptures at the Harbin Ice and Snow Festival at night, Heilongjiang Province, China, February 2015. Hellier