AT 30,000 FEET... you are almost 6 miles (9.7 km's) above sea level. The human body is not made for these conditions. Temperatures can plummet to -60F (-51C), the brain is starved for oxygen and each step is a new experience in pure agony. It's diffi
AT 30,000 FEET... you are almost 6 miles (9.7 km's) above sea level. The human body is not made for these conditions. Temperatures can plummet to -60F (-51C), the brain is starved for oxygen and each step is a new experience in pure agony. It's diffi
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