Under the darkness of night, Umberto I's arcade was ablaze with lights. Standing under its huge dome, it seemed as if it had entered a magnificent castle. Below the arcade, there are shops and cafes of all kinds. In the food cabinet at the entrance of each cafe, there are all kinds of pizzas, which show that this is its real home. Buy an original and a cheese sausage for today's dinner, the original pizza taste a little strange, just pasta coated with tomato sauce, may not be very Chinese taste, cheese sausage pizza is the kind of domestic common, but compared to Pizza Hut delicious too much.