More pictures of trudelturm
![Federico Italiano on X: 9. Trudelturm in Berlin-Adlershof, a wind tunnel built 1934–1936 [Photo by Andreas Pohl (2017)] t.corMYuKnGfAq X](https://i0.wp.com/pbs.twimg.com/media/FL98QqEXsAE1ts-.jpg:large)
trudelturm
