Ключевые слова: appointment, area, assemble, assembly, background, blue, blue sky, building, communication, concept, conference, crowd, design, direction, emergency, evacuation, fire, gather, green, hospital, icon, illustration, information, lost, low angle view, meet, meeting point, notice, outdoors, people, place, public, rendezvous, safe, safety, sign pole, station, symbol, together, warning,