41. She did not say that Dace is the bedrock beneath the shifting sand of their lives. 42. "We feel that our age is uniquely chaotic and built on shifting sands , " said Newell. 43. An isthmus of shifting sand has separated the Limfjord from the North Sea during historic times. 44. Divers were trying to work quickly to complete their task before the shifting sand covered debris. 45. The border, marked by a line in the shifting sands since 1948, was never officially demarcated. 46. Tracks " Conceal the Face " & " Shifting Sands " appear on the latter rerelease. 47. Eventually it disappeared back under the shifting sands . 48. Whether all this will advance Mikhalkov's cause in the shifting sands of Russian politics is unclear. 49. Built on shifting sands , Miami Hurricanes football forever seems about one good blow away from collapse. 50. But those differences are like shifting sand dunes.