Ключевые слова: adult, aerial, architecture, big, brick, business, busy, chequered, city, crowd, day, diagonal, downtown, event, foot, frankfurt, group, human, life, light, line, men, old, overhead, paving, pedestrian, pedestrians, people, shadow, shopping, silhouette, square, stone, street, struktur, symbol, time, tourism, tourist, town, traditional, travel, urban, view, walking, zeil,