- At almost 5,000 ft, it is surrounded by rarefied air, seductive silence and dreamy peaks.
- At 4900m Konzke La is the highest point of this trail; all but the fittest puff and pant in such rarefied air.
- That is more rarefied than the near vacuum in a television cathode ray tube.
- Being 1,200 m above sea level, the climate is ideal for temperate fruits and vegetables which, like the people in the area, thrive on the somewhat rarefied air and the misty surroundings.
- To sustain this kind of stamina, they are exquisitely adapted to the rarefied mountain air of their high-altitude stomping grounds.
- Denver's rarefied air adds about 10 percent to the length of fly balls, making extra base hits too easy.
- Thousands of feet above sea level, the air is clear but rarefied.
- The Moon has no atmosphere; the Martian atmosphere is highly rarefied.
- Early attempts on the summit failed because of equipment and inexperience, but mainly because the rarefied air at altitude contains just a third of the oxygen of air at sea level.
- Playing at home in the rarefied air of Mexico City (7,710 feet above sea level), the Mexicans just don't lose.
- Everest conquest today is often more a triumph of modern equipment, where anyone with the money and the inclination can gulp that highly addictive, rarefied air.
- She did not seem to like the rarefied atmosphere over the Atlantic and proceeded to drop her oxygen level to 30% on a regular basis.
- How does it feel to be breathing such rarefied air?
- When pitcher Mike Hampton signed with the Colorado Rockies, many people wondered aloud whether he would fall victim to the rarefied air of the Mile High city.
- The rarefied air requires a mandatory period of two or three days enforced rest on arrival in order to ward off headaches and mountain sickness.