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At 72, he spends more time now on the study of nanocomposites.

Asian elephants are under first-class national protection. China has about 300 of the elephants, mostly in Yunnan.

At Urumqi Diwopu International Airport Customs, the director of the general service center Yu Ke said the original tariff rate for aircraft materials used to be 8 percent, but now it's 4 percent.

At 10 am one recent morning, Zhao Yingying, a chemistry teacher on Youdao－an online education subsidiary of internet giant NetEase Inc－logged into her livestreaming class at home.

At Qingming Festival Chinese people remember their ancestors, those who have gone before. Qingming is the appreciation of China's long rivers of time and culture and the people who traveled them. Scan the QR code on each photo to know more about Chinese cities.