skos:altLabel | - Flak
- flak
- ''flak'' tower
- Flak Tower IV
- Flak tower#Flakturm II – Friedrichshain, Berlin
- Flak towers
- Flakturm Friedrichshain
- Flakturm II - Friedrichshain
- Flakturm III
- Flakturm IV
- Flaktürme
- G-Tower
- fire control flak tower
- flak bunker
- flak tower
- flak towers
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