1.   After more than a decade of high-flying renewal and prosperity, New York is a city on shifting sands.

2.   But southern Utah, with its red rock cliffs, mazelike canyons, shifting sands, craggy peaks and tilted towers of sandstone.

3.   Instead, he lied them into a world where million-dollar homes are built on shifting sand.

4.   Like the others before him, Lucas ran into problems with shifting sands that clogged his drill hole.

5.   Shifting sands push them along in the Middle East, as do hurricanes in Central American and floods in Southeast Asia.

6.   Since then, the world according to Osama bin Laden has all but vanished like footprints in shifting sands of time.

7.   The bomblets are unreliable, and unexploded duds can lie undetected beneath shifting sands or under water, ready to detonate if disturbed.

8.   The battle for the high ground is hard to fight if you are standing on shifting sand.

9.   The Israelis were the last to vacate this particular turf, where land mines still reside under shifting sands.

10.   The Kalahari is not an archetypal desert of shifting sands.