Visitors look at sand creations during the 21st Zhoushan International Sand Sculpture Festival in Zhoushan, east China's Zhejiang Province, July 19, 2019. Opening on Friday, the 21st Zhoushan International Sand Sculpture Festival showcases 58 creations by over 30 sand sculptors from China, Russia, the Netherlands, Spain, Canada, Belgium and the Czech Republic who have worked for 15 days until their works are ready for display. (Xinhua/Xu Yu)