antitank barriers
antiterrorism
antiterrorism fight
barrier
bollard
capture
city
concrete
concrete block
control
crash risk
danger
danger of being hit
downtown
germany
major event
old town backdrop
party
people
police
police barrier
policemen
precaution
press
protect
protection
road
roadblock
security
security concept
sign
stone
stop
stuck
symbol
terror
terrorism
terrorist
timeliness
traffic
truck
truck lock
warning
warning sign