Portal:Indonesia/POTW/27, 2010
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The Bromo Tengger Semeru National Park in East Java, comprises the caldera of the ancient Tengger volcano from which four new volcanic cones have emerged. This unique feature stretching over 5,250 hectares at an altitude of about 2,100 metres also contains the highest mountain in Java, Mount Semeru (3,676 m), four lakes and 50 rivers.
Photo credit: Jani Patokallio