How is life on major cities' roofs? Explore apartment buildings, vistas and monuments and discover unsuspected treasures: the city's rooftops. By day and night, the population changes on the... Read allHow is life on major cities' roofs? Explore apartment buildings, vistas and monuments and discover unsuspected treasures: the city's rooftops. By day and night, the population changes on these heights: workers, residents and party people.How is life on major cities' roofs? Explore apartment buildings, vistas and monuments and discover unsuspected treasures: the city's rooftops. By day and night, the population changes on these heights: workers, residents and party people.