In the southern Chinese city of Guangzhou, which has sweltering temperatures for much of the year, children are ditching their flip-flops for skis and hitting the indoor slopes.

Out west, high up on the Tibetan Plateau, Qinghai province has become an unlikely center for curling, the traditional Scottish sport known as "ice kettle” in Chinese.

Over in the northeastern province of Liaoning, a group of retired men gather every day in the winter to strap on helmets and hockey pads and face off on an outdoor ice rink.