across the river background buildings business district city city central cityscape culture late afternoon light lighting modern Perth river river views riverside setting sun shadow shadows skyscrapers sunlight surfaces water waterways angles appearances architectural architecture box-like business-district CBD city-scapes city-views colors colours concrete contemporary contrast contrasting distance distant elements exterior external glass heights high high-rise linear lines office-buildings perspectives reflections views walls wealth windows facade height tall autumn berlin building business corner dynamic edge futuristic germany office offices outlook perspective shape shapes sharp stylish success translucent transparency transparent tree triangle triangular window workplace architectural elements black city views dark high rise office buildings steel steel surfaced surface