A chef presents his dishes during a cooking competition in Yinan County in Linyi City of east China's Shandong Province, May 28, 2018. (Xinhua/Wang Yanbing)

Chefs cook during a cooking competition in Yinan County in Linyi City of east China's Shandong Province, May 28, 2018. (Xinhua/Wang Yanbing)

A chef presents his pastries during a cooking competition in Yinan County in Linyi City of east China's Shandong Province, May 28, 2018. (Xinhua/Wang Yanbing)

Chefs set dishes during a cooking competition in Yinan County in Linyi City of east China's Shandong Province, May 28, 2018. (Xinhua/Wang Yanbing)