angles appearances architectural architecture box-like buildings business district city city scapes city views color colored colors colour coloured colours contemporary contrast contrasting distance distant elements exterior external glass heights high high-rise Hong Kong light linear lines modern office buildings perspectives rectangles rectangular reflections skyscrapers views walls wealth windows architectural elements black interior lighting reflective steel tinted CBD concrete dark high rise shade shady-side Singapore black & white business-district city-scapes city-views distinctive gray grey greyscale monotone office-buildings offices style building distorted distortion distortions height images palms reflecting reflection sky straight tall tree trees wall accommodation angular apartment-blocks apartments balconies complex condo condominium designed detailed flats metal modernistic multi-storey multi-story patterns plain quality safety structures units valuable value