The paella of the ancient town of Xinchang is located at No.21 Xinchang Street, Pudong New Area, Shanghai. According to the Baidu map, the paella of the ancient town of Xinchang is located at No.21 Xinchang Street, Pudong New Area, Shanghai. The way of paella with stickleback fish is to cook paella with a big earthen stove and a large iron pot, and then hang stickleback fish in a high wooden pot cover. When paella is cooked, the fish will be separated from the flesh and blood, and the delicious juice will flow into the rice.