Ключевые слова: access, access control, alert, area, banner, bc, blue, british columbia, building, canada, city hall, city of vancouver, concept, connection, entrance, government, government building, grey background, information, keep, mark, no, no access, no entry, no entry sign, notice, off, privacy, private, protection, restricted, security, sign, signage, stop, symbol, system, text, vancouver, wall, warning, white, zone,