Ma Youen picks a melon at a greenhouse in Mawan village of Wuqi county in Yan’an city, Northwest China’s Shaanxi province, June 6, 2019. Wuqi county has carried out a development policy since 1998 that returned farmland to forest for ecological protection and sustainable development purposes. [Photo/Xinhua]
Flowers are seen at Mawan village of Wuqi county in Yan’an city, Northwest China’s Shaanxi province, June 7, 2019. [Photo/Xinhua]
Aerial photo taken on June 5, 2019 shows a car driving on the mountain road at Jinfoping area of Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]
Photo taken on June 8, 2019 shows the flowing clouds over Shengli Mountain of Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]
Aerial photo taken on June 8, 2019 shows the scenery of hills covered with green at Guopan village of Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]
Photo taken on June 8, 2019 shows the scenery of hills at Yangqing area of Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]
Aerial photo taken on June 5, 2019 shows hills and fields after returning farmland to forest at Xigouta village of Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]
File photo taken in 1997 shows the farming condition before returning farmland to forest at Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]
Aerial photo taken on June 5, 2019 shows hills covered with green at Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]
Villagers feed a sheep herd at Yangchengzi village of Wuqi county in Yan’an city, Northwest China’s Shaanxi province, June 6, 2019. [Photo/Xinhua]
A car drives on the mountain road at Zoumatai village of Wuqi county in Yan’an city, Northwest China’s Shaanxi province, June 5, 2019. [Photo/Xinhua]
Aerial photo taken on June 5, 2019 shows the scenery of hills covered with green at Zoumatai village of Wuqi county in Yan’an city, Northwest China’s Shaanxi province. [Photo/Xinhua]