Aerial photo taken on June 7 shows the view of a forest farm of Guanshan Mountain in Zhangjiachuan Hui autonomous county of Tianshui, Northwest China's Gansu province. [Photo/Xinhua]
Natural beauty is embodied in Guanshan Mountain in Zhangjiachuan Hui autonomous county of Tianshui, Northwest China's Gansu province, in summer.
Cattles graze on grassland at a forest farm of Guanshan Mountain in Zhangjiachuan Hui autonomous county of Tianshui, Northwest China's Gansu province, June 7. [Photo/Xinhua]
Aerial photo taken on June 7 shows the view of Guanshan Mountain in Zhangjiachuan Hui autonomous county of Tianshui, Northwest China's Gansu province. [Photo/Xinhua]
Horses graze on grassland at a forest farm of Guanshan Mountain in Zhangjiachuan Hui autonomous county of Tianshui, Northwest China's Gansu province, June 7. [Photo/Xinhua]
Aerial photo taken on June 7 shows the view of a forest farm of Guanshan Mountain in Zhangjiachuan Hui autonomous county of Tianshui, Northwest China's Gansu province. [Photo/Xinhua]
Cattles rest on grassland at a forest farm of Guanshan Mountain in Zhangjiachuan Hui autonomous county of Tianshui, Northwest China's Gansu province, June 7. [Photo/Xinhua]
