Ключевые слова: active, aerial, background, business, busy, city, cityscape, cross, crossing, crosswalk, crowd, crowded, day, downtown, group, high, humans, hurry, intersection, lisbon, many, motion, movement, outdoors, pavement, pedestrian, pedestrians, people, person, population, portugal, public, road, rush, shadow, shopping, sidewalk, street, top, top view, tourism, traffic, travel, urban, view above, walk, walking, zebra,