7 Mysterious Spots in the World

Kawah Ijen Lake – Indonesia

The Kawah Ijen Volcano is a group of composite volcanoes which is located on the border of the Regency of Indonesia. This Volcano complex is inside a larger caldera Ijen which is about 20 kilometers (12 mi) wide. Gunung Merapi stratovolcano is the highest point of that Volcano complex. The name Gunung Merapi means “Mountain of Fire” in the language of Indonesia. The lake surrounding is known as the highly acidic crater lake in the World.

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