1.   Behind them, freshly exposed to the Jerusalem sun, two long-buried arches formed a new vaulted entryway to a vast subterranean chamber.

2.   Eventually the passengers find themselves in a black, steam-filled room and are left to wonder if they have drifted into a subterranean chamber of Vesuvius itself.

3.   He thought of it as most of us outside the subterranean chambers of a manager think of it.

4.   The landscape here serves as an entrance to subterranean chambers that showcase crystal in previously unexplored dimensions.

5.   The Transit Authority arranged for electrical power in the subterranean chamber.

6.   The two men decide to climb the ladders leading to the next level and the kivas -- two subterranean ceremonial chambers where the Indians held their religious rites.

7.   All this activity forms a roughly circular subterranean chamber where the adults remain to care for their brood and protect the carrion from raids by other beetles.