Bromo Sea of Sand, 1910
Image: National Gallery of Australia
If you have ever visited Mount Bromo, of course you know about its uniqueness, namely a sea of sand covering an area of 5,920 hectares. This natural phenomenon is the only one in Indonesia. Bromo sea of sand was formed from a volcanic eruption that produced a caldera, then the eruption material piled up to form a vast desert.
The photo above shows the sea of sand of Mount Bromo in 1910 by George P. Lewis published by Studio Kurkdjian in Surabaya. Seen two people in European clothes riding horses in the sea of sand. Until now, horses are still used by tourists to navigate the Bromo sea of sand, in addition to motorized vehicles.