Stickers with U.S. flags are seen on the shoes of Dutch of the U.S. as he attends the men's 400 metres...
Stickers with U.S. flags are seen on the shoes of Johnny Dutch of the U.S. as he attends the men's 400 metres hurdles semi-final at the 15th IAAF World Championships at the National Stadium in Beijing, China August 23, 2015. REUTERS/Lucy Nicholson
