Ключевые слова: ancient, architecture, awareness, blue, building, car, city, convex, corner, culture, danger, europe, european, glass, historic, historical, history, landmark, landscape, lens, metal, mirror, modern, monitoring, old, outdoor, perspective, reflect, reflection, road, roadside, round, safety, security, sightseeing, sign, sky, spherical, stone, street, tourism, town, traffic, travel, urban, view, visibility,