An aerial view of the newly built ecological zone along the Nantong-Yangzhou Canal in Hai'an, a county-level city administered by Nantong in East China's Jiangsu province. [Photo/CFP]

Hai'an has been adhering to the "Two Mountains" theory – which states that lucid waters and lush mountains are invaluable assets. By combining traditional culture and urban functions, the ecological zone has become a landscape belt integrating creativity, culture, and leisure tourism along the canal. [Photo/CFP]

The ecological zone provides a refreshing and livable environment for the residents of Hai'an. [Photo/CFP]