Stars are printed in the sand by a tractor as it drags a giant roller back and forth across the beach, then left to fade at the mercy of footsteps and the tide in this installation by Swedish artist Gunilla Klingberg.
From the waters edge a New York policeman urges two young children to put their bathing costumes back on. (Photo by Ed Clarity/Keystone/Getty Images). July 1949
Back in September, French photographer Clement Briend projected giant gargoyle heads on to trees at Parc de Saint-Cloud near Paris. The installation was part of European Heritage Days 2012.