paw25694 said:

19. Mount Bromo. Bromo is in fact only one of many peaks inside the massive Tengger Caldera, but it's easily recognized as the entire top has been blown off and the crater inside constantly belches white sulphurous smoke. The inside of the caldera, aptly dubbed the Laut Pasir (Sea of Sand) is coated with fine volcanic sand and the overall effect is unsettlingly unearthly, especially when compared to the lush green valleys all around the caldera.

Map:

c/o Zimmelino of flickR

Click to expand...