The tenth Changdao Seafood Festival is held in Changdao county of Yantai, East China's Shandong province on Aug 15. [Photo/VCG]

A series of traditional folk performances are staged at the opening ceremony on Aug 15, such as "Changdao Yuhao", a kind of work song, sung by fishermen from Changdao county. [Photo/VCG]

A sacrificial ceremony to the sea is also performed at the festival. Fishermen hold rituals before setting sail to pray for safety and fortune. [Photo/travel.shm.com.cn]