Jeroen Advocaat, an artist from the Netherlands, carves a sand sculpture with a Chinese artist in Zhoushan, East China's Zhejiang province, August 16, 2016. Some 20 artists around the world are building sand sculptures of landmarks of G20 countries to greet the upcoming G20 Summit in Hangzhou, capital of Zhejiang province. The sand sculptures here are expected to open to the public on Sept 9. [Photo/Xinhua]