The formation of the ropy texture is related to the fast cooling of a silvery, still plastic skin on the lava, which is dragged and folded into ropes until it cools enough to remain fixed. (Photo: Tom Pfeiffer)
Merapi volcano photos: One of the most active and most dangerous volcanoes of Indonesia: Merapi meaning "the one who makes fire", is a feared but also venerated holy mountain looming over the city of Yogyakarta, capital of Central Java.
Volcanoes & Spices: This 17-days adventurous expedition is one of our most exciting volcano tours! Visit Halmahera, North Sulawesi and the Sangihe Islands with some of Indonesia's most active volcanoes, including Dukono, Ibu, Lokon, Soputan and Karangetang.
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