South Korea most of which is not arable. Lowlands, located primarily in the west and southeast, make up only 30% of the total land area. About three thousand islands, mostly small and uninhabited, lie off the western and southern coasts of South Korea. Jeju-do is about off the southern coast of South Korea. It is the country's largest island, with an area of . Jeju is also the site of South Korea's highest point: Hallasan, an extinct volcano, reaches above sea level. The easternmost islands of South Korea include Ulleungdo and Liancourt Rocks (Dokdo/Takeshima), while Marado and Socotra Rock are the southernmost
Adatepe (volcano) 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