Children plant a tree during a tree-planting campaign in Algiers, Algeria, Dec. 23, 2023. (Xinhua)
People plant a tree during a tree-planting campaign in Algiers, Algeria, Dec. 23, 2023. (Xinhua)
Volunteers plant a tree during a tree-planting campaign in Algiers, Algeria, Dec. 23, 2023. (Xinhua)