1116-51317 - The Hverfjall crater, a tephra cone or tuff ring volcano in Northern Iceland. The crater is approximately 1 kilometre in diameter; Skutustadahreppur, Northeastern Region, Iceland

1116-49679 - Snorkelers getting ready to enter the water from a snorkelling tour boat operated out of Maui, Hawaii. They are located next to the backwall of Molokini Crater which is a volcanic tuff cone, Maui, Hawaii, United States of America

832-383099 - Hot air balloons, Goreme National Park, Cappadocia, Central Anatolia Region, Anatolia, Turkey, Asia

816-6261 - Ilchulbong tuff cone, Sunrise Peak, island of Jejudo, UNESCO World Heritage Site, South Korea, Asia

816-6263 - Ilchulbong tuff cone, Sunrise Peak, island of Jejudo, UNESCO World Heritage Site, South Korea, Asia