A surfer catches a wave at the Qiantang River estuary on Monday during a competition in Hangzhou, East China’s Zhejiang province. Photo: VCG

A surfer rides before a breaking wave on the Qiantang River during Monday’s competition. Photo: VCG

A surfer competes on the river. Photo: VCG

A jetski joins a competing surfer on Monday. Photo: VCG

Visitors gather at the bank of the Qiantang River in Hangzhou to see what are believed to be the largest waves of a year. Photo: VCG

Visitors shoot the Qiantang River waves on Monday in Jiaxing, Zhejiang province. Photo: VCG