WNYC

World Trade Center Construction in pictures

See all: Decade 9/11

  • Memorial Pools January 24, 2011

    The North Memorial Pool is dormant for the winter.

  • Memorial Pools January 24, 2011

    The North Memorial Pool is dormant for the winter.

  • Memorial Pools October 12, 2010

    The North Pool is finally complete and will be filled with water in November for a test run.

  • Memorial Pools October 20, 2010

    There are 14 new trees at the Memorial Plaza.

  • Memorial Pools October 12, 2010

    Memorial Pools are completed and will be filled in November.

  • Memorial Pools October 12, 2010

    The underground pipes that will bring water 52,000 gallons of water a minute to the Memorial Pools.

  • Memorial Pools October 26, 2010

    Worker putting the finishing touches on the North Memorial Pool.

  • Memorial Pools October 26, 2010

    Worker putting the finishing touches on the North Memorial Pool.

  • Memorial Pools October 26, 2010

    These rivulets at the Memorial Pools will make the water twirl as it falls into the pools.

  • Memorial Pools November 10, 2010

    The north pool of the 9/11 Memorial got its first test on this day. The taps were turned on, creating cascading waterfalls over the 30-foot high granite walls.

  • Memorial Pools November 10, 2010

    The north pool of the 9/11 Memorial got its first test on this day. The taps were turned on, creating cascading waterfalls over the 30-foot high granite walls.

  • Memorial Pools November 10, 2010

    The north pool of the 9/11 Memorial got its first test on this day. The taps were turned on, creating cascading waterfalls over the 30-foot high granite walls.

  • Memorial Pools November 10, 2010

    The north pool of the 9/11 Memorial got its first test on this day. The taps were turned on, creating cascading waterfalls over the 30-foot high granite walls.

  • Memorial Pools November 10, 2010

    The north pool of the 9/11 Memorial got its first test on this day. The taps were turned on, creating cascading waterfalls over the 30-foot high granite walls.

  • Memorial Pools March 30, 2011

    In the last week of March, with steel laid up to the 60th floor and concrete poured up to the 52nd floor, work began picking up at One World Trade Center. Trees were planted and the benches at the memorial plaza were being fit together. The Santiago Calatrava transportation hub was taking shape and the lunch cart has been expanded.

  • Memorial Pools April 23, 2011

    The memorial pools are designed by Michael Arad, and are called: “Reflecting Absence.” Water will fall over 30 feet and are placed in the foot print of the original towers.

  • Memorial Pools April 23, 2011

    Workers are in the process of installing the almost 4,000 solid granite panels that will line the walls of the Memorial's pools. Each panel weighs approximately 420 pounds.

  • Memorial Pools April 23, 2011

    Workers are in the process of installing the almost 4,000 solid granite panels that will line the walls of the Memorial's pools. Each panel weighs approximately 420 pounds.

  • Memorial Pools April 23, 2011

    The names of those who died on 9/11 will be engraved in parapets that line the memorial pools.

  • Memorial Pools May 19, 2010

    The North pool is nearly tiled and the South Pool has been dug, but not yet tiled.

  • Memorial Pools May 19, 2010

    The North pool is nearly tiled and the South Pool has been dug, but not yet tiled.

  • Memorial Pools May 19, 2010

    Each granite tile weighs about 420 pounds.

  • Memorial Pools May 19, 2010

    The North pool is nearly tiled and the South Pool has been dug, but not yet tiled.

  • Memorial Pools May 19, 2010

    The North pool is nearly tiled and the South Pool has been dug, but not yet tiled.

  • Memorial Pools June 15, 2010

    The North pool is nearly tiled and the South Pool has been dug, but not yet tiled.

  • Memorial Pools June 23, 2010

    The North pool is nearly tiled and the South Pool has been dug, but not yet tiled.

  • Memorial Pools August 4, 2011

    The Memorial pools are nearly finished and ready for the 10th anniversary.

  • Memorial Pools August 4, 2011

    The Memorial pools are nearly finished and ready for the 10th anniversary.

  • Memorial Pools August 4, 2011

    The Memorial pools are nearly finished and ready for the 10th anniversary.