Oolong tea, made from more mature leaves, usually have less caffeine than green tea. On the flip side, mature leaves contain less theanine, a sweet, natural relaxant that makes a tea much less caffeinated than it actually is. That is the theory, anyway.
The highest point in Asia is Mt. Everest which is 8,850 meters above sea level. And Asia's lowest point is the Dead Sea which is 400 meters below sea level.
From Dante's View one can see the central part of Death Valley from a vantage point 5,500 feet (1,700 m) above sea level. From here Badwater Basin can be seen, which contains the lowest dry point in North America. Telescope Peak can also be seen from here which is 11,331 feet (3455 m) above sea level.