Chinese artists who take part in the Cincinnati/Liuzhou Paint Out Program sketch at the Smale Riverfront Park in Cincinnati of Ohio, the United States, July 25, 2019. Chinese and U.S. artists recently took part in the Cincinnati/Liuzhou Paint Out Program, in which artists from south China's Guangxi Zhuang Autonomous Region were invited to visit Cincinnati for a week. They visited museums and galleries, exchanged art views and techniques with their U.S. counterparts, and presented a joint exhibition. Cincinnati and Liuzhou celebrated their 30th anniversary of the establishment of sister city relations last year. (Xinhua/Zhang Fengguo)