There are too many people on May Day. Although they have to make an appointment, they have not done any restrictions and do not need to swipe their ID cards. Overcrowded, no difference from visiting an ordinary commercial street. There are too many people to close a few entrances, and you have to go all the way to enter. If you are thinking of going to feel the old Beijing Hutong and taking pictures and punching in, it is estimated that you can only go on non-holidays, otherwise you will see people. Don't take the elders, you will feel that there is nothing to see about the suffering. It is easy to break people's mentality