China has a history of more than 5,000 years and many miracles were created. The Great Wall is the most famous to foreigners. Many of them come to Beijing and have a look at this great tourist sites. As the damage from environment and human beings, this great wonder needs us to protect. So it is important to be a polite tourist. 中国有着5000多年的历史，创造了很多奇迹。长城对外国人来说是最著名的。许多人来到北京，就想看看这个伟大的旅游景点。由于来自环境和人类的损害，这个伟大的奇迹需要我们来保护了。所以做一名文明的游客是很重要的。