Ice skating above underwater prison

Rummu’s underwater prison is located in northwestern Estonia (about 40 kilometers west from Tallinn). Rummu is a small town in Estonia and had a nearby limestone quarry which was founded on 1 January 1938 together with Murru Soviet Prison (how conveniently…) – Convicts were forced to mine limestone. In 1991 when the Soviet Union collapsed, Estonia again gained it’s independence and limestone mining was ended, Soon enough the quarry became a “quarry lake” (faster than many assumed) thus resulting the floodi