balloon baloon blocks building buildings center city downtown hills panorama silhouette sky-scrapers suburbs town architecture beam beams build frame glass metal modern scraper sky structure tall business holland landscape Netherlands office offices Rotterdam sky scraper skyline success urban apartments blue Los Angeles palms rise sky-scraper tower trees broad-walk calm dusk evening light low metropolis reflection river shimmering summer warm water bridge cars clouds dawn evenink motorroad motorway road sun Vilnius apartment apartment building balconies balcony block flat flats high house live London horizon lines sandstone skyscraper storey wall window windows