Road sign warning against encroaching sand dunes posted alongside the Wahiba Sands Desert, Ramlat al Wahaybah, Oman, Middle East

against al alongside asia automobile automobiles avenue avenues bus busses car cars caution cautionary coach coaches danger dangerous dangerously dangers day daylight daytime desert desert deserts dune dunes during east encroaching exterior exteriors indicating indication indications infrastructure label labels mid mid east middle middle east mideast motor motor bus motor busses motorcar motors near near east notice notices oman outdoor photo photos posted ramlat road road road sign road signs roads roadside roadsides safety sand sand dune sand dunes sanddune sanddunes sands shot shots side sides sign signboard signboards signs southwest southwestern street streets sultanate sultanates the traffic traffic sign traffic signs wahaybah wahiba warn warning warnings warns wayside waysides