The cause of the epidemic. The American Restaurant in Hamburg, laya opened in June, 20 1 1, and has become the leader of American catering in Shanghai. April 20 12 was awarded the honor of the best American hamburger restaurant in Shanghai by Dianping.com. In September, 20021year, it was announced that due to the serious epidemic situation in Shanghai, it began to close its business and closed related stores. As of August 18, 2022, there was no news of the reopening of Hamburg, laya.