A fan holds a Chinese national flag inside Helong Stadium ahead of a 2018 FIFA World Cup qualifier match between China and South Korea in Changsha

A fan holds a Chinese national flag inside Helong Stadium ahead of a 2018 FIFA World Cup qualifier match between China and South Korea in Changsha

A fan holds a Chinese national flag inside Helong Stadium ahead of a 2018 FIFA World Cup qualifier match between China and South Korea in Changsha, Hunan province, China, March 23, 2017. REUTERS/Stringer ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA.

April 21, 2017 3:51 PM (UTC+8)