用英语介绍一下上海这个城市

The introduction about Shanghai:

Shanghai,a municipality directly under the Central Government, is situated 31.4 degrees north latitude and 121.29 degrees east longitude. It lies in the middle of China's mainland coastline and Yangtze River's entrance to the sea, covering an area of 6,185 square kilometers, with 145 square kilometers of the city districts and 6,040 square kilometers of the suburban area.

Climate

Shanghai has a sub-tropical climate--mild and humid with four distinct seasons. It has a mean annual temperature of 15oC -- the hottest month, August, averaging 28oC and the coldest month, January, 3oC -- and a mean annual precipitation of 1,100 mm. It is often visited by typhoons between summer and autumn.

Administrative Division and Population

Shanghai is divided into 18 districts and 1 county, with a population of over 16.74 million people.

Culture

Huju opera, Yueju opera, burlesq