angles architectural architecture buildings business-district city city-scapes city-views color colored colors colour coloured colours commercial-building contemporary contrast contrasting distance distant elements exterior external glass heights high high-rise light linear lines metropolis metropolitan-area modern office-buildings perspectives rectangles rectangular reflections skyscrapers tower-block urban-area views walls wealth windows accommodation apartment-blocks apartments appearances box-like boxed building complex concrete dark Designs detailed distinctive flats height highrise metal modernistic multi-storey multi-story plain red shield shielded shielding squared straight structured structures style supports tall towering units abstract green art backdrop background brick business construction decor decoration decorative design frame geometric graphic gray grey hi-res illustration interior office pattern reflection scrapbooking shape shiny square texture tile transparent urban vector wall white window architectural elements black business district city views high rise office buildings steel steel surfaced surface CBD city scapes Melbourne