DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY
Volcanic 'egg'. Woman looking up at a large volcanic 'egg' on the side of Mount Teide (Pico del Teide), Tenerife. These 'eggs' formed from balls of lava that solidified as they rolled down the mountainside during an eruption. Photographed on, Tenerife, Canary Islands, in spring.
Model release not required. Property release not available.