Ecological tourism keeps booming in Qianxi, north China's Hebei

Aerial photo taken on Aug. 23, 2019 shows general view of the Changhe Linear Park in Qianxi County, north China's Hebei Province. Environment has been upgraded in Qianxi after switching lots of mines into scenic spots since 2018. Local ecological tourism keeps booming and increases the income of locals. (Xinhua/Xing Guangli)