Aerial photo taken on June 3, 2020 shows people carrying seedlings to be planted to a deserted mountain in Weizhuangzi Village, Zunhua City of north China's Hebei Province. Friday marks China's National Tree Planting Day. With the efforts of volunteers across the country, green lands has covered more areas of China and the eco-friendly development concept is seeded in people's heart. (Photo by Liu Mancang/Xinhua)
