The hollow which scared Darvaz people began to burn 36 years ago and it never turned off. Here is the settlement of Uzbekistan. The place which is called “Door to hell” did famous that country. Remote Darvaz people confronted the strange event 36 years ago. In the time of excavation workers found out underground cave. The cave was so deep and suddenly it sunk. Workers saved hardly their life. That hollow occured in the sunked soil. The hollow blew up with dynamite against the toxic gas which came from the hollow, but leak didn’t stop. In addition, the hollow began to burn and nobody could stop it. In all seasons the hollow burns continuously. It is strange that, in the nights birds gathers to the around of the hollow. Intellectual olds says that, the hollow is damned, strange voices are heard from there.  Sometimes it said that it is a legend, but the fire never turn off in that hollow.