It looks so beautiful and natural with the island of Samosir in the middle and white sand and crystal clear water. Lake with an area of 90x30 km2 is the largest caldera in the world.
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From @hendrasnd
It looks so beautiful and natural with the island of Samosir in the middle and white sand and crystal clear water. Lake with an area of 90x30 km2 is the largest caldera in the world.