Jiangjin district, Southwest China's Chongqing municipality, is seen covered in advection fog, March 15, 2022. (PHOTO/IC)

Plum flowers blossom on the mountains around Yuanxing village in Nanchuan district, Southwest China's Chongqing municipality, March 15, 2022. (PHOTO/IC)

The interior of Dujiangyan Zhongshuge, a two-story cathedral-like bookstore located in Chengdu, capital of Southwest China's Sichuan province, March 16, 2022. The store, designed by Shanghai-based architecture firm X+Living, utilizes mirrored ceilings to create a visual effect of extended space. (PHOTO/IC)

Team China's para ice hockey players celebrate winning bronze at the Beijing 2022 Paralympic Winter Games following a 4-0 triumph over South Korea at the National Indoor Stadium, March 12, 2022. (PHOTO/CHINANEWS.COM)

Dressed in their best traditional attire, farmers in Tajie, a village in Dagze district of Lhasa, Tibet autonomous region, participate in annual spring plowing ceremonies on March 16, 2022. (TENZIN LHAZY/TIBET DAILY)

A team of 300 Chinese mainland medical workers gets ready to depart from Liantang Port in Shenzhen, South China's Guangdong province, for Hong Kong to help with the fight against the COVID-19 epidemic, March 16, 2022. (PHOTO/XINHUA)

A cat enjoys cherry blossoms with its owner at the Zhongshan Botanical Garden in Nanjing, East China's Jiangsu province, March 13, 2022. (PHOTO/IC)

Xu Yunfeng, a wildlife conservation worker, feeds Asian elephant "Longlong" at the Asian Elephant Breeding and Rescue Center in Xishuangbanna Dai autonomous prefecture, Southwest China's Yunnan province, March 15, 2022. (PHOTO/XINHUA)

A man walks his robot dog in Guanyinqiao business district, Southwest China's Chongqing municipality, March 11, 2022. (PHOTO/IC)

Children and their parents take part in a tree-planting event at the wasted Donghouziyu quarry in Jizhou district, North China's Tianjin municipality, March 12, 2022. (PHOTO/XINHUA)