Jamaica's Usain Bolt (L) wins ahead of Britain's Zharnel Hughes, USA's Justin Gatlin (2nd-R) and Turkey's Ramil Guliyev in the final of the men's 200 metres athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 27, 2015.  AFP PHOTO / PEDRO UGARTE        (Photo credit should read PEDRO UGARTE/AFP via Getty Images)