Stock photo of Gunung Bromo (Mount Bromo) highly Active Volcano during an eruption in January 2016. Mount Bromo sits in a huge ancient Caldera surrounded by what is called the Sea of Sand or Pasir Laut in the Indonesian language. It is located in the Gunung Bromo Tengger Semeru National Park in East Java, Indonesia. This is popular Active Volcano for visitors travelling to East Java in Indonesia wishing to see Volcanic eruptions due to the frequency of these volcanic events.
More Info on this frequently erupting Active Volcano here