Defining Moments

Defining Moments: Capturing our changing world

GLASGOW, SCOTLAND - JULY 28: Courtney Butcher of Guernsey prepares to compete in the Women's 50m backstroke during day five of the Glasgow 2014 Commonwealth Games. <a href='http://edition.cnn.com/2014/07/23/sport/commonwealth-games-glasgow-queen-bolt/'>Athletes representing the 71 nations and territories of the Commonwealth</a> compete in the event.

GLASGOW, SCOTLAND - JULY 28: Courtney Butcher of Guernsey prepares to compete in the Women's 50m backstroke during day five of the Glasgow 2014 Commonwealth Games. Athletes representing the 71 nations and territories of the Commonwealth compete in the event.