Lawrence Yu, cairman of Asia-Pacific Economic leaders United Association, delivers a speech during the opening ceremony of the 2017 Asia-Pacific Economic Leaders Summit held in the Taierzhuang ancient town of Zaozhuang, East China's Shandong province. [Photo by Zeng Jie/ Chinanews.com]

Visitors take a boat trip to experience the canal city of Taierzhuang ancient town in Zaozhuang, Shandong province. [Photo provided to chinadaily.com.cn]