Internet sleuths believe they've found a former labour camp in Russia on Google Maps, labelling it the "most depressing place ever".
The creepy indentation seen on Google maps is said to mark the spot of a former Gulag correctional labour camp in Krasnoyarsk Krai.
Images at 69°24'19°N 87°38'57°E, show what appears to be the hallowed ground where deconstructed buildings are now grey rubble.