DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY
Volcanic 'eggs'. View across the side of Mount Teide (Pico del Teide), Tenerife, strewn with volcanic 'eggs'. 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.
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