The lake was
formed after a volcanic eruption, when rocks closed off a river.
Kasha - Katuwe Tent Rocks National Monument is a geologic wonder, full of towering cone - shaped tent rock formations
formed after volcanic eruptions took place six to seven million years ago.
The rocks in Cappadocia were
formed after some volcanic eruptions 2 million years ago.
In his recent exhibition at Federica Schiavo Gallery, the artist found inspiration in the caverns located underneath the Naica Mine in Mexico that hold some of the biggest natural crystals known on Earth, and the petrified tree forest on Hawaii Island that
formed after a volcanic eruption in 1970.