The world's largest tidal bore is created by incoming tides from the East China Sea
Hundreds of people were unexpectedly swept off their feet when the world's largest tidal bore surged up a river and blasted a gigantic wave over the bank.
The shocked onlookers were standing on the banks of the Qiantang River in China's Zhejiang province when the monster wave struck.
Tidal bores can be seen in several locations around the world, including the Britain's longest river, the Severn, but the Qiantang bore is the largest.
Every year, millions of people flock to see it on the 18th day of the eight lunar month.