Photo taken on Sept. 29, 2018 shows the scenery in Saihanba National Forest Park in Chengde, north China's Hebei Province. (Xinhua/Pan Zhengguang)
Photo taken on Sept. 29, 2018 shows the scenery in Saihanba National Forest Park in Chengde, north China's Hebei Province. (Xinhua/Pan Zhengguang)
Photo taken on Sept. 29, 2018 shows the scenery in Saihanba National Forest Park in Chengde, north China's Hebei Province. (Xinhua/Pan Zhengguang)
Photo taken on Sept. 29, 2018 shows the scenery in Saihanba National Forest Park in Chengde, north China's Hebei Province. (Xinhua/Pan Zhengguang)
Photo taken on Sept. 29, 2018 shows the scenery in Saihanba National Forest Park in Chengde, north China's Hebei Province. (Xinhua/Pan Zhengguang)