They came in their droves, all hoping to catch a glimpse of what is considered to be one of Mother Nature's more unusual spectacles.
However, these spectators unwittingly became part of the show when a huge tidal bore burst through a dam and spilled over the riverbank, sweeping scores of tourists off their feet.
One moment these bystanders stood transfixed at the banks of the Qiantang River in Haining, in east China's Zhejiang province, waiting to witness the natural phenomenon. See more photos below:
