The Bromo Tengger Semeru National Park is located in East Java, Indonesia, to the southeast of Surabaya,
the capital of East Java. It has a sand sea, the Tengger Sand Sea, across which is the caldera of an ancient volcano (Tengger)
from which four new volcanic cones have emerged.
The area in and around the park is inhabited by the Tengger people, one of the few significant
Hindu communities remaining on the island of Java. The Tenggerese are basically either agriculturalists or nomadic herders.
The agriculturalists generally live on the lower altitudes, while the nomads live on the higher altitudes,
riding on small horses.