dunes

arid asia background badanjilin barren beautiful black brown camel china clear color contrast dene desert deserted desolate dune dunes dusk dust environment exploration geological geology golden grain heat hot inner landscape line lines mirage mongolia natural nature open orange outdoors peace peaceful postcard remote ripple ripples road sand sandy scene scenery scenic serene shadow shape sightseeing silk slope smooth smoothly sunshine surface terrain thirsty tourism travel trek trekking vacancy wide wild wilderness wind windy yellow