Jīngguò / duōnián / de / huánjìng / zhìlǐ, / héliú / liǎng'àn / biàn / de / shānqīngshuǐxiù.

经过多年的环境治理，河流两岸变得山清水秀。

After years of environmental restoration, the areas along both banks of the river have become beautifully scenic.