Aerial photos taken on April 13, 2021 show the scenery of Hutuo River in Shijiazhuang, north China's Hebei Province. The water quality and ecosystem in the Hutuo River have been improved thanks to the ecological restoration efforts. #HiChina #SeeChina https://t.co/mrSmhMsYv0Aerial photos taken on April 13, 2021 show the scenery of Hutuo River in Shijiazhuang, north China's Hebei Province. The water quality and ecosystem in the Hutuo River have been improved thanks to the ecological restoration efforts. #HiChina #SeeChina 7377573 Aerial