你打算让外国朋友了解新落成的国家大剧院的情况，准备在互联网上制作一个介绍中国国家大剧院的网页。请根据下例提示，为网页写一篇短文。词数不少于70. 
Where is the National Grand Theatre located?
(the heart of Beijing, west of Tian’anmen Square)
When did the construction begin and when was it completed?
( in December 2001, in September 2007)
What is the area that it covers?
( 35,5000 square meters)
What does it look like surrounded by an artificial lake? (a big egg)
What kind of halls are there inside the theatre? How many seats are there in each hall?
( an opera hall, paint it mainly gold, 2398 seats; and a music hall, paint it white, 2019 seats)
What are your opinions or feelings about the National Grand Theatre?