Portions of the spiral staircase that originally connected the two top-most floors of Paris’s Eiffel Tower are scattered among museums and private collections around the world. As of this week ...

This is noticeable in the accessibility of the lobby, which contains stairs ... s balconies illuminate the tower at night, emphasizing the stepped spiral form for which it is named.

A network of organic 3D-printed concrete columns makes up Tor Alva, a 30-metre-high tower modelled on a cake, unveiled ...

France Pavilion at the Osaka World Expo 2025 by Coldefy & CRA - Carlo Ratti Associati. Image © Julien Lanoo Whether rising to the highest room of the tallest tower ...