Badminton star Beiwen Zhang is competing again, without the pressure

Olympian Beiwen Zhang went pro in badminton at age 13, leaving her home country of China for Singapore to pursue the sport. She struggled with the pressure of competitive athletics, though. The World's Bianca Hillier has the story of how she bounced back, not just from intense stress, but also from what many believed would be a career-ending injury.