Four buildings · one visual reading at a time

Berlin Concrete Clue Chain

Follow one visible clue through four Berlin buildings. You will finish with a practical exterior, gallery, residential or Alexanderplatz move, not a vague list of concrete names.

This is a visual reading exercise, not a live access guide. Pick the clue that explains what you can see. A wrong choice simply lets you look again.

The wedge-shaped Mäusebunker research building in Berlin-Lichterfelde with its projecting ventilation tubes
Clue 01Read the facade before naming the style.

First clue

What makes this facade feel like a machine rather than a smooth office block?

Choose the feature that is actually doing the architectural work in the photograph.

Tool visual credits

Source and licence details for the four photographs rendered inside this tool.