angles appearances architectural architecture black box-like buildings business district CBD city city scapes city views colors colours concrete contemporary contrast contrasting distance distant elements exterior external glass heights high high rise light linear lines Melbourne modern office buildings perspectives reflections skyscrapers views walls wealth windows adornments arabesque arched arched windows building clock cream curved decorations decorative demons design detailed gargoyles grotesques heritage historic masonry old ornamental ornamentation patterns sepia shapes stonework style surfaces white arches colorful colourful dark decorated Designs distinctive domed domes green grime quality railway station roofing rooves structures supports Victorian yellow