Some leaks have hinted that the next couple of major Xiaomi mobile device launches may lack physical locations. This may mean that the Mi 10 and Black Shark 3 events may be online-only. This may be due to the risks posed by the new coronavirus epidemic in China.
https://www.notebookcheck.net/The-Xiaomi-Mi-10-launch-may-be-an-online-only-event.452910.0.html