Chinese, but competing under a different flag

Fierce competition in the national Olympic team has led to more athletes migrating

In the age of globalization, competing at the Olympics means potentially coming up against former teammates who now represent rival nations - a reality Team China must confront in Rio de Janeiro.

Sports with a strong base in China produce many world-class athletes, and a growing number are being welcomed by other countries to use their skills in international competition, such as at the Summer Games.