Ключевые слова: authority, center, city, city patrol, city security, cityscape, civic, civic protection, downtown, duty, france, french, french police, law enforcement, local, movement, officers, order, patrol, patrolling, peace, peaceful, pedestrians, people, police, police duty, police presence, protection, public, public safety, public space, safety, scene, security, strasbourg, strasbourg center, street, street life, surveillance, surveillance vehicle, urban, urban patrol, van, walking,