Saved by protest
Egon Eiermann's first plan for a new church meant tearing down the ruined tower. Berliners protested, and the tower was kept as a memorial against war.
A broken tower and a blue glass church stand side by side on Breitscheidplatz. Berliners call the ruin "the hollow tooth". Here's what you're looking at, and what to listen for when you get there.

Egon Eiermann's first plan for a new church meant tearing down the ruined tower. Berliners protested, and the tower was kept as a memorial against war.
The new church's walls hold more than 20,000 glass inserts made by Gabriel Loire in Chartres. Inside, the light turns a deep blue.
Inside the new church hangs a charcoal drawing of the Madonna made by doctor and pastor Kurt Reuber during the siege of Stalingrad at Christmas 1942.
It was badly damaged in an air raid on 23 November 1943, and the ruin was kept as a memorial.
Yes, both the memorial hall in the old tower and the new church are open to visitors.
Egon Eiermann; it was built between 1959 and 1963.