1.   Odonatist towers stand everywhere, glass towers resembling translucent vases.

2.   Another concern is air quality in the buildings surrounding the debris-filled blocks where the World Trade Center towers once stood.

3.   A fly-over on Thursday, the first in several weeks, showed an underground blaze that is now confined largely to where the two towers stood.

4.   A curtain of smoke wafted in the breeze where the towers had stood.

5.   A UN observation tower stands in the middle of a narrow valley, with Croats to the west, Serbs to the east.

6.   But American flags still grace nearly every neighborhood storefront, and tourists still come, straining to visualize where the towers stood.

7.   But one of the biggest puzzles has been just figuring out how precisely to make the tower stand straight while it is being installed, Smith said.

8.   He looks up at where the tower stood only minutes before, and the gap in the steel stuns him.

9.   Here in Gaungzhou, office towers stand right near apartments with no indoor plumbing, where residents begin their days by emptying chamber pots.

10.   In an interview last week, he suggested that the seven acres where the towers stood and the plaza between them might be a suitable location.