Subway stations all over the eastern block were built to serve as bomb shelters when needed. Nowadays this is used mainly during heavy rains, as the gates are

Subway stations all over the eastern block were built to serve as bomb shelters when needed. Nowadays this is used mainly during heavy rains, as the gates are watertight: https://bi.im-g.pl/im/0/9990/z9990270IHG,W-srode-Jarek-Kowalczyk-przyslal-nam-zdjecie-zalan.jpg https://bi.im-g.pl/im/0/9990/z9990270IHG,W-srode-Jarek-Kowal... When this picture was taken the trains would skip this station, but were otherwise functioning as normal.