May 2020 1 What are the procedures for going to Huairou?

May 2020 1 There is basically no need for any formalities to go to Huairou. Now Beijing has a first-class air defense, which has been changed to a second-class red defense. In other words, people can. I went on a trip. But the mobile phone must be brought, and the security code should be scanned. If you are from Beijing. There should be no problem.