Ключевые слова: accident, admittance, attention, barrier, beware, brass, building, buildings, caution, church, collapse, construction, danger, danger sign, dangerous, dangerous situation, demolished, dererlict, development, door, entrance, entry, environment, handle, health, house, information, keep, metal, no, old, risk, safe, safety, security, sign, signage, site, unauthorized, unsafe, unstable, warning,