An actress presents the Tibetan traditional costume during the opening ceremony of the Luqu Guozhuang Dance Performance at Luqu County of Gannan Tibetan Autonomous Prefecture in northwest China's Gansu Province, July 25, 2019. The opening ceremony of the 7th Luqu Guozhuang Dance Performance was held here on Thursday. A total of 31 teams attended the event to promote local traditional culture. (Xinhua/Chen Bin)