Children take part in a tree-planting event at the wasted Donghouziyu quarry in Jizhou District, north China's Tianjin, March 12, 2022. Children from 12 families took part in a tree-planting event with the help of their parents and staff members at the wasted Donghouziyu quarry on Saturday. (Xinhua/Sun Fanyue)
A child and her parent water a seedling during a tree-planting event at the wasted Donghouziyu quarry in Jizhou District, north China's Tianjin, March 12, 2022. Children from 12 families took part in a tree-planting event with the help of their parents and staff members at the wasted Donghouziyu quarry on Saturday. (Xinhua/Sun Fanyue)
Children water a seedling during a tree-planting event at the wasted Donghouziyu quarry in Jizhou District, north China's Tianjin, March 12, 2022. Children from 12 families took part in a tree-planting event with the help of their parents and staff members at the wasted Donghouziyu quarry on Saturday. (Xinhua/Sun Fanyue)
Children take part in a tree-planting event at the wasted Donghouziyu quarry in Jizhou District, north China's Tianjin, March 12, 2022. Children from 12 families took part in a tree-planting event with the help of their parents and staff members at the wasted Donghouziyu quarry on Saturday. (Xinhua/Sun Fanyue)
Aerial photo taken on March 12, 2022 shows the wasted Donghouziyu quarry in Jizhou District, north China's Tianjin. Children from 12 families took part in a tree-planting event with the help of their parents and staff members at the wasted Donghouziyu quarry on Saturday. (Xinhua/Sun Fanyue)
Children take part in a tree-planting event at the wasted Donghouziyu quarry in Jizhou District, north China's Tianjin, March 12, 2022. Children from 12 families took part in a tree-planting event with the help of their parents and staff members at the wasted Donghouziyu quarry on Saturday. (Xinhua/Sun Fanyue)
A staff member interacts with children during a tree-planting event at the wasted Donghouziyu quarry in Jizhou District, north China's Tianjin, March 12, 2022. Children from 12 families took part in a tree-planting event with the help of their parents and staff members at the wasted Donghouziyu quarry on Saturday. (Xinhua/Sun Fanyue)
