Cheryl-Samantha Owen / Lynn Ballagh closing gate on his cattle ranch, Sandhills of Nebraska, Garfield County, Nebraska, USA.

Hougaard Malan / Hills of the Maluti Drakensberg. Golden Gate National Park, Free State, South Africa. April 2013.

Gavin Hellier / Timelapse from day to night of vehicles driving across the Golden Gate Bridge, San Francisco, California, USA, 2011.

Gavin Hellier / Timelapse of advection fog rolling in under the Golden Gate Bridge, San Francisco, California, USA, 2011.

Richard Steel / 2020VISION / Common buzzard (Buteo buteo) perched on a gate post, Cheshire, England, UK, December.

Ross Hoddinott / Derwent Water, fence, gate and flooding, looking to Catbells mountain, near Keswick, The Lake District, Cumbria, UK. October 2012.

Ernie Janes / Domestic dog, Pointer on guard in cottage garden, Norfolk, UK, July 2008

Ernie Janes / Suffolk Punch heavy horses in field, UK, September

Ernie Janes / Border Collie, working dog looking through gate, Wales, UK

Ross Hoddinott / Field gate in snow in evening light, nr Bradworthy, Devon, Uk. December 2010

Laurent Geslin / Landscape of Lake Leman at night, viewed through gateway. December 2009.

Jack Dykinga / View from Navajo Point to the west with the sun's rays silhouetting Angels Gate, Isis, Shiva and Zoroaster Temples next to Wotons Throne at sunset, Grand Canyon National Park, Arizona, USA