Museum curator Wang Di introduces exhibits to visitors at Longmen Museum in Luoyang, central China's Henan Province, March 28, 2019. A total of 69 museums in various kinds are open to the public in Luoyang, which has a long history and was the capital of 13 dynasties in ancient China. (Xinhua/Li An)

A visitor looks at pottery miniature buildings at Longmen Museum in Luoyang, central China's Henan Province, March 28, 2019. A total of 69 museums in various kinds are open to the public in Luoyang, which has a long history and was the capital of 13 dynasties in ancient China. (Xinhua/Li An)

Photo taken on March 28, 2019 shows ceramic sculptures of a merchant and a camel from Tang Dynasty (618-907) at Longmen Museum in Luoyang, central China's Henan Province. A total of 69 museums in various kinds are open to the public in Luoyang, which has a long history and was the capital of 13 dynasties in ancient China. (Xinhua/Li An)

Photo taken on March 27, 2019 shows exhibits at Luoyang Museum in Luoyang, central China's Henan Province. A total of 69 museums in various kinds are open to the public in Luoyang, which has a long history and was the capital of 13 dynasties in ancient China. (Xinhua/Li An)

Museum curator Wang Tongling shows a Go piece carved with fish pattern at Go (Weiqi) museum in Luoyang, central China's Henan Province, May 14, 2019. A total of 69 museums in various kinds are open to the public in Luoyang, which has a long history and was the capital of 13 dynasties in ancient China. (Xinhua/Li An)

Photo taken on March 28, 2019 shows exhibits at Longmen Museum in Luoyang, central China's Henan Province. A total of 69 museums in various kinds are open to the public in Luoyang, which has a long history and was the capital of 13 dynasties in ancient China. (Xinhua/Li An)