09/12/2009 05:12 am ET | Updated May 25, 2011

Largest Column Installed Yet At World Trade Center Site (PHOTOS)

Workers at One World Trade Center have set a 70-ton piece of steel into place, making it the largest column installed yet at the tragic construction site.

The column is one of four supposed to go up this week, with a total of 24 planned to be in place by the fall.

Each of the roughly 60-foot long columns was made in Luxembourg and will help make the Freedom Tower, as One World Trade Center is also known, rise 1,776 feet in the air.

WTC Column