Angelo Gandolfi / Wooden shoes on doorstep of home, Villanueva village. Somiedo Natural reserve, Asturias, Spain. July 2008.

TJ Rich / Young springer spaniel sitting on doorstep. Wiltshire, England, UK.

Pat Tuson / Milk delivered in plastic bottles to doorstep, Highbury, London Borough of Islington England UK, April 2015.

Franco Banfi / Local woman sitting in front of her house, Camaguey, Cuba, Caribbean Sea, Atlantic Ocean. November 2007.

Laurent Geslin / Urban Red fox on doorstep with milk bottles {Vulpes vulpes} London, UK

Laurent Geslin / Urban Red fox on doorstep with milk bottles {Vulpes vulpes} London, UK

Pat Tuson / Two full glass milk bottles standing on doorstep, one green top and one silver, Highbury, London Borough of Islington, England UK

Pat Tuson / Two empty glass milk bottles on step, Holloway, London Borough of Islington England, UK

Pat Tuson / Five empty glass milk bottles on doorstep, Highbury, London Borough of Islington England UK

Pat Tuson / Five empty glass milk bottles on doorstep, Highbury, London Borough of Islington, England, UK

Pat Tuson / Emply glass reusable milk bottles in crate on doorstep, Highbury, London Borough of Islington England UK

Juergen Freund / Picture vendor walking along a street to sell his wall photographs. Here he brings Mecca to people's doorstep. Wanci, Wakatobi, Sulawesi, Indonesia, October 2009.