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Alex Yeng: Lake Luzern
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Alex Yeng: Mount Rigi, Rigi hike
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Alex Yeng: Rigi mount, hike
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Alex Yeng: Rigi mount, hike
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Alex Yeng: Rigi hike
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Alex Yeng: Mount Piatus, 2000 meters above
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Alex Yeng: stones
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Alex Yeng: Spain
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Alex Yeng: Spain
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Alex Yeng: France
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Alex Yeng: France
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Alex Yeng: France
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Alex Yeng: Pilatus