Sand sculptures at the 21st Zhoushan International Sand Sculpture Festival in Zhujiajian resort of Zhoushan City, east China's Zhejiang Province, July 6, 2019. /VCG Photo

A total of 30 carvers from seven countries and regions including China, Russia, Spain and Canada are expected to build more than 50 giant sand sculptures in 15 days. /VCG Photo

This year's festival, which will open on July 19, has the theme of "Wandering on Nansha." /VCG Photo

Initiated in 1999, the annual event has contributed greatly to the local sand sculpture industry and has helped to boost tourism. /VCG Photo