accommodation apartment blocks apartments Asia balconies balcony buildings condominiums condos costly expensive flats high-rise homes living areas multi-storey multi-story Singapore units valuable washing washing poles wealth wealthy windows America apartment architecture block block of flats building construction DC District Columbia dowtown facade flat gray house modern north america office offices steel usa Washington window cars live machine reside street terraces vehicle high reflection curved Dirt discoloration discolored discolouration discoloured rounded angle angles architectural concrete fishmonk flag Flags horizontal line lined lines living national day parallel space stars and moon vertical yellow background bank blocks cement city condo condominum credit credit crunch crisis Hong Kong lifestyle Manhattan New York penthouse real estate Spain urban wallpaper centre glass Inverness railings town walls