The national park of Koli in eastern Finland is home to a famous, 34-metre-long crevice cave known as Pirunkirkko, or Devil's Church in English. A new study investigates the acoustics of the Devil ...

The national park of Koli in eastern Finland is home to a famous, 34-meter-long crevice cave known as Pirunkirkko, or Devil's Church in English. In folklore, this crevice cave was known as a place ...

The national park of Koli in eastern Finland is home to a famous, 34-metre-long crevice cave known as Pirunkirkko, or Devil’s Church in English. A new study investigates the acoustics of the ...

Located in Finland's Koli National Park is a famous 34-meter long cave known as Pirunkirkko or the Devil's Church Cave. In local folklore, this cave was believed to be a place where wise men of the ...

Koli National Park is "daubed in orange, red and yellow" by the third week of September and you can hike to the top of Ukko-koli to see the "iconic" autumn landscape of Lake Pielisjärvi, painted ...