Australia bay boats business district CBD city city scapes city views expanse of water harbor harbour high rise masts Melbourne motor boats office buildings passengers Port Phillip Bay sailing ships sailors ships Victoria views water Williamstown angles appearances architectural architecture box-like buildings business-district city-scapes city-views color colour contemporary contrast contrasting elements exterior external glass heights high high-rise light linear lines modern office-buildings perspectives rectangles rectangular skyscrapers walls wealth windows colors colours commercial concrete corners height reflections tall architectural elements dark surface surfaces distance distant facade black