A roasted-lamb shaped stone is on display at a stone exhibition on June 16, 2021. The 13th Xinjiang Ornamental Stone and the Hotan Jade Selected Exposition was held at Xinjiang International Convention and Exhibition Center in China's Xinjiang Uygur Autonomous Region. (Photo/ China News Service: Liu Xin)
A set of stones from the Irtysh River in China's Xinjiang section named "Chinese zodiac" are on display at a stone exhibition on June 16, 2021. (Photo/ China News Service: Liu Xin)