© Licensed to London News Pictures. 20/08/2015.  The yachts have arrived in London for the next edition of the Clipper Round The World race. The clipper yachts were pictured passing the Thames Barrier in south east London as they made their up the river. They will be moored at St Katherine Docks until the start of the round the world race on August 30th. Ordinary members of the public crew the yachts under the captaincy of professional skippers. Credit : Rob Powell/LNP