They are obviously causing quite a problem. Interesting to read that in China, the young people are more considerate than the old. Bodes well for the future there.
Phnom Penh used to have a bunch of dancing grannies but there was only about 10 of them. They still woke Riverside up at 4.30am every day. One of the few positive things to come out of Covid was that being closed down.

https://www.theguardian.com/world/2021/ ... s-speakers