access barrier barring bollards denying denying access in the way metal metal bollards barring access no thoroughfare prevention protection reflections reflective shiny silvery aged bars classic closed closed window element green green texture grid lock locked locked window marble sill old protection bars shut shutters wall window window sill architecture building danger house iron bars landslide precaution roof roof avalanche safety security snow snowslide winter access denied communicating communication denied denying entry directive entrance barred forbidden gates informing not allowed not permitted permission denied prohibited prohibition protected red restricted restricted area secure security check-point serious sign stop warning white bar blue blues coast dubai empty fence fenced fishmonk horizontal man made natural nature object ocean oceans protect railing railings reflect reflected reflecting reflects ripple rippled ripples sea seas separate sunlight vertical water waterfront wave waves wavy barcode business checkout code coding computer consumer consumerism data design examine examining finance graphic ID identification illustration industry label laser line lines marketing merchandise packaging reader retail retailing row sale scan scanner selling shop shopping stripe striped symbol tag technology vector