© Licensed to London News Pictures. 30/08/2015. London, UK. The twelve yachts competing in the Clipper Round the World race pass by Tower Bridge ahead  of their 40,000 mile, 11 month race.  Each yacht carries a crew of 22, with only the skipper a professional yachtsman. The remainder are amateurs, many of whom had never sailed before taking up the challenge.. Photo credit : Stephen Chung/LNP