In this aerial photo taken on March 24, 2018, eaters sit at rows of dining tables during a river snail gourmet festival in Jiangba Township of Hongze District in Huai'an, east China's Jiangsu Province. Spreading over a network of waterways, the city of Huai'an is abundant in aquatic products. Here, the river snails are turned into appetizing dishes after locals cook them in various styles. (Xinhua/He Jinghua)