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"  To get to the top of the World Trade Center 1 building, currently under construction in New York adjacent to the 9/11 Memorial, you must first ride in an elevator scaffolded to the outside of the building up to the 39th floor. Then you walk inside and wait with a gang of construction workers for one of the two internal elevators to take you the rest of the way.  When a few members of the PM crew got a tour of the site last week, one of those elevators was labeled &amp;quot;Express Rush A.M and P.M. Only,&amp;quot; while the other was labeled &amp;quot;Express All Day.&amp;quot; We packed into the all-day express with a full car of iron and concrete workers carrying bags of breakfast up to their fellow crewmembers, only to hear the gruff elevator operator announce that, due to the amount of traffic that day, we were going semi-local. The loud, industrial elevator cranked up through the center of the building to the sounds of a boombox playing Katy Perry on a pop radio station (the ironworkers seemed unimpressed). At each stop, the elevator operator greeted his colleagues with a friendly bouquet of colorful language before asking them for a destination.  Finally, the elevator reached its current top floor, number 90.The ironwork is completed up to the 100th floor. Just two weeks ago, WTC1 became the tallest building in New York at 1271 feet, and it still has 5 floors\u2014and a controversial antenna mast\u2014to go.  &amp;amp;gt;  You can walk up to floor 91, but above that WTC1 is currently a skeleton of steel beams and cranes. The staircase hangs off the side of the tower, dangling you above the city in a way that would paralyze anyone with the slightest touch of vertigo. Claustrophobics, too, would have a hard time, since the last six-foot ascent to floor 91 is up a ladder banged together from two-by-fours, then goes under a low-hanging steel beam. Debris falling from this height could be deadly to people below, so there is netting surrounding the whole floor; the fabric forms a translucent wall that gave me the bizarre feeling of being both inside and outside at once. There are plenty of holes in the netting, though, which I presume were made to stick cameras through; which I do, knowing that nothing but a firm grip keeps my new Sony NEX-5N from recording its own spectacular last fall. The partially constructed walls of the building&amp;#039;s central column were crawling with workers. Hunter Pendarvis, our guide from the Port Authority\u2014which oversees the project\u2014says there are over 1000 people employed on WTC1, welding, weaving rebar, and securing the massive steel forms into which the building&amp;#039;s concrete is poured. The workers clip into the rebar with giant carbineers attached to their harnesses. We were allowed to roam pretty much freely and watch the work, but we were also politely asked not to interview the workers\u2014the unions don&amp;#039;t want their guys wasting time with reporters. So we spent about an hour up there getting showered with sparks and generally trying to keep out of the way. Hopefully the photos capture some of the awe that we felt watching history being built before our eyes.   &amp;amp;gt; Pictures From the Top of WTC1 &amp;amp;gt;&amp;amp;gt;&amp;amp;gt;  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/technology/design/a7743/pm-visits-the-top-of-world-trade-center-1-9146815/>