The mysterious sinkhole in Dagestan

Location: Dagestan, Russia

Gurbuki – Karabudakhkent village in the district of Dagestan. The administrative center and the only locality “village Gurbuki” rural settlement
The mysterious sinkhole in the Caucasus, which attracts deaths to fall and people to relieve their purpose, at the bottom of the pit there is a shortage of oxygen may occur at a depth of emission of gases such as carbon dioxide