A poverty-alleviation-themed train pulls out of the parking lot in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

Passengers take a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

Passengers take a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

Passengers take a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

Passengers take a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

A passenger looks at a photo exhibited on a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

A passenger takes pictures on a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

Photo taken on Oct. 17, 2020 shows the inner view of a poverty-alleviation-themed train in Chengdu, southwest China's Sichuan Province. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

A passenger scans the QR code via cellphone for watching reports on poverty alleviation on a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

A passenger looks at a photo exhibited on a poverty-alleviation-themed train of the Line 1 of Chengdu Metro in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)

Driver Fan Xiaochuan checks the carriage of a poverty-alleviation-themed train before its first running at a parking lot in Chengdu, southwest China's Sichuan Province, Oct. 17, 2020. China marked the seventh National Poverty Relief Day on Saturday. A poverty-alleviation-themed train, with photos and videos displaying poverty alleviation achievements in Sichuan, made its first running on the Line 1 of Chengdu Metro on Saturday. The train will run till the end of this year. (Xinhua/Wang Xi)