accommodation angles apartment-blocks apartments architecture art-deco balconies building city complex condo condominium contrast contrasting dark detailed distinctive elements exterior external façade flats height heritage high high-rise historic light linear lines metal modernistic multi-storey multi-story patterns plain protection quality safety straight structures style supports tall units valuable views windows angular apartment blocks appearances box-like Designs glass heights modern value concrete curvature curves designed angled architectural balcony balcony-gardens blooming costly expensive flowering flowers plants potted-plants shade shaded sheltered shrubs Singapore sunlight sunshine sepia blossom blossoms bone-knit bush bushes comfrey dry flower gardening herb herbal herbs medication medicinal medicine nature naturopathy plant