Double Rainbow over Nanhu Lake by Duan Gangqiang. Vivid double rainbows can often be seen in Kaihua after a heavy rain in late spring and early summer. [Photo/qz123.com]

Lianhua Lake by Zhang Guoyou. Lianhua Lake is the source of Qiantangjiang, the mother river of Zhejiang province, and offers many picturesque views and prosperous villages. [Photo/qz123.com]