Photo de stock - USA - Logs of petrified wood at the Crystal Forest When breaking into segments millions of years ago, the crystal nature of the quartz created clean fractures, evenly spaced along the tree trunk, giving the appearance today of logs cut with a chainsaw Petrified Forest National Park, Arizona, USA

Photo de stock: USA - Logs of petrified wood at the Crystal Forest  When breaking into segments millions of years ago, the crystal nature of the quartz created clean fractures.

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