Oxygen is scarce at 12,000 feet!

They arrived into Lima late Wednesday night and traveled on to Cusco Peru Thursday afternoon. Immediately, your lungs know you have arrived into Cusco. The oxygen is scarce at 12.000 feet. Observing the trekkers pull their luggage across the airport parking lot with a 3% grade huffing and puffing I intuitively knew they were second […]

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