Bromo Tengger Semeru National Park, known locally as Taman Nasional Bromo Tengger Semeru (TNBTS) is a national park located in East Java, Indonesia, to the east of Malang and Lumajang, to the south of Pasuruan and Probolinggo, and to the southeast of Surabaya, the capital of East Java. It is the only conservation area in Indonesia that has a sand sea, the Tengger Sand Sea...