Adatepe (volcano)
Adatepe is an extinct volcano in southeast Bulgaria. As of 2011, there was debate about whether there should be gold mining. The some part of people considered that the mining of Adatepe can able to pollute the river which used for drinking water with cyanide immediately. As the result, the people were divided into two groups. The first group is people who demands the mining for a better life and the second group is people who considers that the regions gold is nature and silence. Despite all the reactions, the mine of Adatepe already established.
Also, there is an ancient mine in Adatepe.