Visitors look at an interactive device at the Cleveland Museum of Art (CMA) in Cleveland, Ohio, the United States, Aug. 23, 2018. Located about 8 kilometers east of downtown Cleveland, the CMA, which has nearly 45,000 artworks spanning 6,000 years, consistently ranks as one of the best comprehensive art museums in the U.S. and one of the most-visited in the world. [Photo/Xinhua]