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.
Note that some stats shown below are found in European Russia, even though that landmass is geographically considered a part of Russia, an Asian country. The Vatican is Europe's smallest country; Germany is Europe's largest country by population; The Vatican is Europe's smallest country by population; Europe's highest point is Mt. Elbrus in Russia