People visit the Qinhuangdao Museum of Glass in Qinhuangdao, north China's Hebei Province, May 3, 2019. People learn knowledge in various museums during the Labor Day holiday. (Xinhua/Cao Jianxiong)
Scenery of Summer Palace in Beijing
China conducts joint naval exercise with Southeast Asian countries in Qingdao
In pics: golden snub-nosed monkeys in Guangzhou, S China's Guangdong
Three seal pups enter "seal kindergarten" at Harbin Polarland
In pics: azalea flowers on Gaomu Mountain in E China's Zhejiang
Blooming tulips seen in Istanbul, Turkey
In pics: naval parade marking 70th founding anniversary of PLA Navy
Scenery of advection fog in Danzhai County, SW China