angles appearances architectural architecture building city colorful colourful commercial cone conical contemporary contrast contrasting dark decorated Designs detailed distinctive elements exterior external glass heights high levels light linear lines modern patterns quality roof roofing shapes shopping center shopping centre Sizes structures style styles views windows alert appropriate-behavior appropriate-behaviour area attention banned blue boundaries boundary cigarettes communicating communication danger direction directive distance entrance environment health health-risk limits location no-smoking not-allowed not-permitted painted permission-denied pollution prohibited prohibition shopping-center shopping-centre sign symbol unhealthy warning wording words advice announcement appropriate behave behavior behaviour black center centre conditional conditions details entry guide-dog-friendly information informing limitations limited management-rights notice notification premises prohibitions refrain refraining respect safety security shoppers shopping shops signage welcome white penalties penalty thick thin clouds color colour distinct height Melbourne patterned perspectives shaped sky bars centrum Dordrecht fontein fountain market Markt plein reataurant square Statenplein water winkels abstract circus lisbon Portugal sail space tent