Dancers perform the romantic ballet, Giselle, at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China's Liaoning province, July 1, 2019. [Photo/Xinhua]

Dancers perform Jasmine Blossoms at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China's Liaoning province, July 1. [Photo/Xinhua]

Peking Opera performers stage a classical piece, The Drunken Beauty, at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China’s Liaoning province, July 1, 2019. [Photo/Xinhua]

Chefs prepare delicious dishes for guests and visitors at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China’s Liaoning province, July 1, 2019. [Photo/Xinhua]

Peking Opera performers stage military plays at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China’s Liaoning province, July 1, 2019. [Photo/Xinhua]

Peking Opera performers stage military plays at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China’s Liaoning province, July 1, 2019. [Photo/Xinhua]

Peking Opera performers stage a classical piece, The Drunken Beauty, at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China’s Liaoning province, July 1, 2019. [Photo/Xinhua]

Peking Opera performers stage a classical piece, The Drunken Beauty, at the Dalian Night Gala during the 2019 Summer Davos Forum in Dalian, Northeast China’s Liaoning province, July 1, 2019. [Photo/Xinhua]