Officials say the Empty Sky memorial is complete, but one of its designers and the families of those who perished say otherwise. Rhian Lubin. in New York. Friday 27 June 2025 23:33 BST.

NEW YORK There's a hole in the sky outside Bob Kerrey's window. The southern spread of glass in his eighth-floor office in Greenwich Village once framed Manhattan's tallest buildings. The frame is ...

The most interesting view in many windows is the city reflected back at you. Filling so much empty ground-floor space may require cities to rethink what brings people downtown.