Keywords: WTC-Wreckage-exterior shell of south tower.jpg The lower perimeter columns of the north and west faces of Two World Trade Center south tower after the collapse of the building Each face of the building had 59 columns and there was 1 on each corner bevel making a total of 240 perimeter columns in each tower 2011-11-11 http //www umc org/site/apps/nlnet/content3 aspx c lwL4KnN1LtH b 5259669 ct 8644769 FEMA photographer Bri Rodriguez PD-USGov Uploaded with UploadWizard Ground Zero World Trade Center in 2001 September 2001 photographs |