Wander long enough in the forests of Poland, and you may come across these remains of a Soviet nuclear base https://on.natgeo.com/2G5i9Jg

Wander long enough in the forests of Poland, and you may come across these remains of a Soviet nuclear base https://on.natgeo.com/2G5i9Jg 

https://twitter.com/NatGeoTravel/status/1088949857522470912