The entrance to the cave is only 1 m × 1.3 m in area, bordered by upward and downward bulging boulders. A roundish stone acts as a threshold above which one must bend to crawl. The first outer ...

A team of archaeologists have been investigating one of the most famous caves in Finland. Known as Pirunkirkko, meaning Devil’s Church, tradition says that this 34-metre-long crevice leading into the ...