© Licensed to London News Pictures. 30/07/2015. London, UK. The Mayor of London and MP for Uxbridge and South Ruislip Boris Johnson has a photograph taken with an unimpressed looking man during a visit the Wide Horizons Environment Centre in Bexley where he explored their new outdoor learning centre which was built by an 'army of volunteers' on a once derelict site. Photo credit : James Gourley/LNP
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