Photo taken on July 17, 2018 shows a dish during a rural cooking contest in Hai'an of Nantong, east China's Jiangsu Province. Over 30 chefs took part in the cooking contest here on Tuesday. (Xinhua/Xu Jinbai)

A chef cuts onion into small pieces during a rural cooking contest in Hai'an of Nantong, east China's Jiangsu Province, July 17, 2018. Over 30 chefs took part in the cooking contest here on Tuesday. (Xinhua/Xiang Zhonglin)

A chef prepares a dish during a rural cooking contest in Hai'an of Nantong, east China's Jiangsu Province, July 17, 2018. Over 30 chefs took part in the cooking contest here on Tuesday. (Xinhua/Xu Jinbai)

Photo taken on July 17, 2018 shows a dish during a rural cooking contest in Hai'an of Nantong, east China's Jiangsu Province. Over 30 chefs took part in the cooking contest here on Tuesday. (Xinhua/Xiang Zhonglin)

Photo taken on July 17, 2018 shows a dish during a rural cooking contest in Hai'an of Nantong, east China's Jiangsu Province. Over 30 chefs took part in the cooking contest here on Tuesday. (Xinhua/Xu Jinbai)