a happy world, a pool, america, austria, building, buildings, bus, cafe, chicago, china, high-rise buildings, house, kärntner straße, kärntnerstrasse, light, lights, machinery, motion, new york, new york city, night, pedestrians, people, reflection, road, san francisco, shanghai, shops, skyscraper, street, sun, taxi, the tram, town, transition, united states, usa, vienna, wien