31. Underground vaults and domes did not require buttress supports since they were held in place by earthen pits.32. In 2006 the construction of the Global Seed Vault, a secure underground vault located outside of Longyearbyen, began. 33. No tombstones mark the underground vaults . 34. At issue in the latest controversy is an ancient underground vault , known as Solomon's Stables or Marwani Mosque. 35. On February 5, 2010, samples from an underground vault were found to contain 2.7 million pCi / l. 36. The new mosque _ an underground vault known as " Solomon's Stables " _ is located near Al Aqsa. 37. Jerusalem city inspectors Thursday visited the site of the new mosque, an underground vault near the Al Aqsa Mosque. 38. US $ 250 million was discovered in Iraq's central bank Sunday, officials said _ inside a flooded underground vault . 39. Whitburn is an avid collector of phonograph records, with one of the world's largest collections in his underground vault . 40. The area has a number of underground vaults and hidden passages that are relics of previous phases of construction.