Citizens take part in a culture and sports activity along the Lipu River in Lipu City, south China's Guangxi Zhuang Autonomous Region, Dec. 17, 2018. (Xinhua/Zhang Ailin)

Photo taken on Dec. 17, 2018 shows buildings along the Lipu River in Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhou Hua)

Photo taken on Dec. 17, 2018 shows festive lanterns on the Lipu River in Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhang Ailin)

Aerial photo taken on Dec. 17, 2018 shows the night view of Zhongyuan Bridge in Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhang Ailin)

Photo taken on Dec. 17, 2018 shows buildings along the Lipu River in Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhang Ailin)

Photo taken on Dec. 18, 2018 shows festive lanterns on the Lipu River in Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhou Hua)

Photo taken on Dec. 18, 2018 shows the night view along the Lipu River in Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhang Ailin)

Aerial photo taken on Dec. 17, 2018 shows the night view around Zhongyuan Bridge in Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhang Ailin)

Aerial photo taken on Dec. 17, 2018 shows the night view of Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhou Hua)

Aerial photo taken on Dec. 17, 2018 shows the night view of Lipu City, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhou Hua)