Tourists ride a motorboat in the eastern coastal city of Qingdao on May 12. Qingdao is a popular summer destination in China. [Photo/dzwww.com]

Tourists play on a beach in Qingdao in early summer. As a coastal city, Qingdao is well-known for its bathing beaches and numerous water sports. [Photo/dzwww.com]

Tourists play on a beach in the eastern coastal city of Qingdao on May 12. [Photo/dzwww.com]

A tourist walks along a beach in Qingdao on May 12. Qingdao is hailed as China's "Sailing Capital" because of its thriving water sports industry. At the International Olympic Sailing Center, visitors can watch world-class international sailing and view luxury yachts on display. [Photo/dzwww.com]