Counting down China's 2020 vision

A year out from Tokyo Games, nation is aiming for a top-three showing

It's been something of a perfect storm for Chinese athletes this week as the countdown to the 2020 Tokyo Olympics reached the 12-month mark.

Swimmer Sun Yang claimed his fourth straight 400m freestyle world title, China's women swept gold in the team epee event at the fencing world championships and Xie Zhenye and Xie Wenjun triumphed in the 200m sprint and 110m hurdles at the IAAF Diamond League in London.