1、These large dunes facing the river valley are promoted as the highest dunes in the world.

2、The dunes usually migrate inland.

3、The dunes roll to the sea.

4、Ribbons of dunes trap the rains.

5、To something off behind the dunes.

6、Though they cover just 30 square miles, the dunes reach up to 750 feet high and are the tallest sand dunes in the United States.

7、To our right rose the high rampart of the dunes.

8、In this vast desert, there is no grass, no wood, no house, no room, only endless sand dunes and endless sand dunes.

9、Rolling waves were framed by miles of Sahara-like dunes.

10、The Wrights also returned to flying unpowered gliders off dunes.

11、On the dunes of Socotra island, Yemen. Seconds later the camel set off in a run down the dunes, its feet sinking into the sand.

12、Small wind sand dunes develop in the lakeshore zone.

13、In the morning the cars are in small dunes.

14、Compared with the ramet population in the semi-fixed dunes, the ramet population in the fixed dunes exhibited higher ramet density, smaller average ramet spacing and similar ramet height.

15、Three days later, in the morning of the Taklimakan Desert, the dunes were vast and vast.

16、The moon rises through hazy clouds over the dunes of the Saudi Arabian desert.

17、One substantial area of coastal dunes, shown in an astronaut photograph from 2003, has been protected as a national park, but the park boundaries only enclose a fraction of the marching sand dunes.

18、I didn't know there were sand dunes that would take over an hour to climb.

19、The secondary ridges are main manifestation on the encroach and damage of sand dunes.

20、It is concluded from our study results that the coastal dunes outside the Qilihai lagoon are inherited dune complex formed from the eolian dunes in the last glacial period.

21、Cano went back to his lab and pursued other research, like testing petroleum-degrading bacteria in sand dunes.

22、The older, lighter, and dustier lava has been whipped into thin dunes, appearing as ripples or stripes.

23、Characteristic and countermeasures of water resources in forefront of sand dunes area of northern part of Zhangwu county Fuxin city

24、Rising gracefully from the sand dunes, the form fluidly defines different programmatic elements, and its free flowing nature embraces the landscape.

25、They're up to a kilometer long, but only a few meters wide, and they're scattered along the desert floor, in valleys between the dunes.

26、The classification of coastal dunes is the most important basic problem in the research on the landscape of the wind drift sand in coastal region.