Bizarre ant colony discovered in an abandoned Polish nuclear weapons bunker
Taken in 2014, this picture shows the partly blocked entrance to the Soviet-era bunker system in Poland. In the background, pine-spruce forest overgrowing the hillock was built to camouflage the structure. Wojciech Stephan The mound of the free-living wood ant (F. polyctena) colony built on the outlet of the ventilation pipe. This is the source of...