Full coverage: 2016 Rio Olympics

Hua Tian, who has been described as a true one in a billion, also known as Alex Hua, is China's only Olympian to have competed in equestrian. He made his debut at the 2008 Beijing Games, and placed eighth in the final of the eventing competition in Rio. But the 26-year-old is thrilled with his progress, and told CCTV's Tracey Holmes about his hopes for the sport's growth, in the world's most populous nation.