This sunken prison in Estonia is over an hour away from the capital Tallinn. It's a remarkable and unique place. A vast area covers both Murru Prison and Rummu Prison - the latter hosting a limestone quarry where the prisoners were forced into labour. To avoid ground water flooding the prison, pumps were used. After it's closure on the last day of 2012 the pumps were turned off and several of the buildings submerged into the crystal clear lake. Overlooking this peculiar site are the giant slag heaps, that have a curious texture that is both solid and soft in equal measure. Inside the prison, the atmosphere is very disturbing and chilling. The maximum security wing features beds that wardens would lift back into the wall during the day, so there was no comfort for the prisoners. This whole area screams of sadness.

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