trade wind
2.The abnormally strong east jet in the upper troposphere in East-Asia in the summer of 1982 is a possible mechanism which results in the great development of the 1982- 1983 El Nino event after July of 1982. The thermal contrast between Australia and the eastern Pacific due to the abnormal activities of the cold air in Australia is an important reason why the trade wind over Equatorial Pacific is weakened largely.
3.Through the mists and clouds of history, it had witnessed numerous golden spears and armored horses of gallant warriors and trade caravans moving along ancient trails in the autumn wind amid the tinkling of camel bells mingled with the wailing of reed flutes of the northern tribes. The world-famous Mogao Grotto was first built in 366 AD.
