Petrified Forest National Park
Here at Petrified Forest National Park in north-east Arizona, United States, these fallen trees are made of stone, not wood. They look similar on the outside but contain a core of colourful quartz crystals.
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Petrified Forest National Park
Here at Petrified Forest National Park in north-east Arizona, United States, these fallen trees are made of stone, not wood. They look similar on the outside but contain a core of colourful quartz crystals.
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