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- Rugged rock formations and giant granite boulders along a high-altitude hiking route in the Swiss Alps near Realp in the canton of Uri, showing steep cliffs, alpine terrain and dramatic mountain geology in Switzerland Puzzle #909037672
Rugged rock formations and giant granite boulders along a high-altitude hiking route in the Swiss Alps near Realp in the canton of Uri, showing steep cliffs, alpine terrain and dramatic mountain geology in Switzerland Puzzle #909037672