Tourists visit a garden of cosmoses at the Liushuwan scenic area in Huai'an, east China's Jiangsu Province, Oct. 18, 2018. (Xinhua/Zhao Qirui)

A tourist poses for selfies while visiting a garden of cosmoses at the Liushuwan scenic area in Huai'an, east China's Jiangsu Province, Oct. 18, 2018. (Xinhua/Zhao Qirui)

In this aerial photo taken on Oct. 18, 2018, tourists visit a garden of cosmoses at the Liushuwan scenic area in Huai'an, east China's Jiangsu Province. (Xinhua/Zhao Qirui)

Aerial photo taken on Oct. 18, 2018 shows a garden of cosmoses at the Liushuwan scenic area in Huai'an, east China's Jiangsu Province. (Xinhua/Zhao Qirui)