But mostly the crowd simply stood and stared almost straight up, at the patch of blue where the towers used to be.

The towers use fresh air for pressurizing the public areas.

During an extended period of time, other statues existed near or actually on the site where the tower used to stand.

A similar tower to the old low light used to stand in Kijkduin.

Black smoke loomed over the space where the towers used to be.

The tower uses state-of-the-art technology for monitoring heat and smoke.

The tower used to be white with a red band and had a Fresnel lens.

The tower used to be placed at the river which has changed its course since, leaving it on dry land.

The tower used to have three bells, one each cast in the 15th, 16th and 17th centuries.

In the 36,000-square-foot, 22-story tower, the 30 apartments, all with park views, would have used only 25,000 gross square feet.