Photographer David Emitt Adams creates tintypes on discarded cans he collects from the Sonoran Desert. In his artist statement, Adams says that some are more than four decades old, which have earned a deep reddish-brown, rusty coloration. (Photo by David Emitt Adams)

A mass pillow fight in Trafalgar Square in central London on April 5, 2014 on International Pillow Fight Day. (Photo by Jane Scanlan)

“Rivers Forgotten” is a journey through the passages and portals of the underground waterways that lie unseen below cities. Self-taught photographer Jeremy Kai brings these forgotten landscapes to light. Photo: Beneath the Toronto area, 2011. (Photo by Jeremy Kai)

“Photocillin is the pseudonym of Dr Andy Teo, physician and people photographer based in the Surrey/Hampshire borders near London in the UK. My style is about showing the beauty of people and the world in which they live in a retro-utopian way”. – Andy Teo. Photo: “Walking six feet tall”. (Photo by Photocillin)