Citizens play shuttlecock in the Grand Canal landscape belt of Botou City, north China's Hebei Province, Oct. 23, 2021. In recent years, Botou city has focused on restoring the natural ecology of the Grand Canal and creating a beautiful and comfortable leisure space for the public. (Xinhua/Luo Xuefeng)

Citizens jog in the Grand Canal landscape belt of Botou City, north China's Hebei Province, Oct. 23, 2021. In recent years, Botou city has focused on restoring the natural ecology of the Grand Canal and creating a beautiful and comfortable leisure space for the public. (Xinhua/Luo Xuefeng)

Aerial photo taken on Oct. 23, 2021 shows citizens visiting the Grand Canal landscape belt of Botou City, north China's Hebei Province. In recent years, Botou city has focused on restoring the natural ecology of the Grand Canal and creating a beautiful and comfortable leisure space for the public. (Xinhua/Luo Xuefeng)

来源：Xinhua