Hallasan National Park Hallasan National Park Hallasan National Park () is located in the province of Jeju-do, South Korea. It was designated as the 9th national park in 1970. It features the highest mountain in South Korea, the shield volcano Hallasan on Jeju Island. It was designated a UNESCO Biosphere Reserve in 2002, and a World Heritage Site in 2007. Hallasan National Park is managed by Jeju Special Self-Governing Province. It is the only out of 20 national parks that is not managed by the Korea National Park Service. Hallasan has 7 trails: Eorimok Trail (6.8 km), Yeongsil Trail (5.8 km), Seongpanak Trail
Adatepe (volcano) an ancient mine in Adatepe. http://www.kircaalihaber.com/?pid=3&id_news=16068 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