3-12-2024 zurich, switzerland. large, red, collapsible mobile vehicle mitigation barriers near at the christmas market entrance,

demonstration architecture switzerland collapsible mitigation precaution prevention protection christmas barricade roadblock barriers entrance blockade european exterior festival historic obstacle security visitors zafrac14 3122024 vehicle evening barrier blocked traffic defense bollard zurich mobile market access terror attack closed defend europe famous police street travel large night swiss urban late city cars road plan stop town rich red