In this aerial photo taken on March 24, 2018, rows of dining tables are set on a street 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/Wan Zhen)