In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 13, 2016 (AFP)

In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 13, 2016 (AFP)

In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 13, 2016 (AFP)

In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 14, 2016 (AFP)

In this photo taken from Probolinggo in Indonesia's East Java province, a woman watches as Mount Bromo spews ashes into the air during a volcanic eruption on July 14, 2016 (AFP)

In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 14, 2016 (AFP)

In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 14, 2016 (AFP)

People standing on the edge of the crater while watching the eruption of Mount Bromo in Probolinggo, Indonesia, July 12, 2016 (Reuters)