Just enter the barcode scan that is sent by email, it's really easy, no need to queue, don't forget to bring a tumbler, in many drinking water refill places. If you buy it expensive. When we went to USS, there were already a lot of covid 19 issues, but the conditions there were still normal, the playing arena was still quite crowded, and we came not weekend / peak seassn so it wasn't too crowded either, the queues of each arena also didn't have to queue long and wait a long time ago, as a result almost all of our vehicles tried ... USS on 12 March 2020