that means you don't know how brutal a riot can be. It nasty. it's not the fault of the police. In Indonesia, those rioters are even bring monotov bomb and gas (gas for cooking). You can imagine if it blew in the centre of police formation.
we know what happent in Indonesia in the past.
Germany. Whatever people from any countries, travel to Vietnam now is not a good choice.
For the Hua people like you, I think its no good in this moment when chinese is drilling oil in our water.