LONDON, UNITED KINGDOM – 19.07.12. Anti-skateboarding devices on the Regents Place Estate on Thursday 19 July 2012 in London, England. Anti-skateboarding devices are deployed by private corporations and local authorities. The aim is to reshape individual and group behavior and discourage skateboarders from using a particular public or semi public space. (Photos by Marc Vallée/marcvallee.co.uk) (c) Marc Vallée, 2012. All rights reserved.