architecture block building flat flats high horizon house lines sandstone sky-scraper skyscraper storey tower wall window windows car crossing houses junction lights Los Angeles office palms road summer sunshine traffic traffic jam balconies balcony communism eastern europe gray mass parallel perspective Poland socrealism blocks boat boats bush forest landscape motorboat motorboats panorama park shore trees vistula warsaw wisla wisła yacht yachts accommodation apartment blocks apartments Asia buildings condominiums condos costly expensive high-rise living areas multi-storey multi-story Singapore units valuable wealth wealthy angles angular appearances box-like city complex condo condominium contrast contrasting Designs detailed distinctive elements exterior external glass heights light linear metal modern modernistic plain quality safety straight structures style supports tall value views above aerial-balloon angled apartment-blocks backgrounds balloon below cityscape colors colours flight-operation gondola height helium helium-balloon motion movement perspectives roofing roofs rooftops rooves safe scene scenery scenic secure secured shape shapes sights sightseeing skyline streets