The troops have erected a sand wall and embark on daily foot and vehicle patrols.

CNN: Syria: We're thwarting militants along Iraq border

The Moroccans used them in the fighting and have now deployed them as their main weapon alongside the 900-mile sand wall, the "Berm" - that they constructed as a barrier between Western Sahara and the Saharawi camps in Algeria.

BBC: News Online

My impression is that the men socialize with one another and build on these connections better than the women do on Sand Hill Road, not to mention Wall Street and corporate America.

FORBES: Women VCs Rule More Often At China Venture Firms Than In Silicon Valley

In a reversal of history, Wall Street took its cue from Sand Hill Road.

FORBES: Slaughter Of Innocents

China has leapt ahead of India with startups that have excelled with IPOs on Wall Street and investment returns for Sand Hill Road.

FORBES: On the Silicon Dragon Trail: Startup Asia Surfaces

Over the stone wall we looked down at the stretch of sand by the lake.

NEWYORKER: History of a Disturbance

Also the sand blows in on the roads and that has to be cleared off and the sea wall has to be maintained.

BBC: End to beach maintenance backed by conservationists