A：长城有多少年的历史了？
How long is the history of the Great Wall?

B：大约有两千年多年了，长城是春秋战国时期修建的。这段八达岭长城是明代又重修的，到如今也有四五百年了。
About 2000 years. The Great Wall was built in the period of the Spring and Autumn and the Warring states. The Badaling section of the Great Wall was rebuilt in the Ming Dynasty and has a history of around 400 or 500 years.

A：长城有一万里吗？
Is the Great Wall 10000-li long?

B：长城东起河北省的山海关，西到甘肃省的嘉峪关，全长五六千里，有的地方城墙有好几道，加起来有一万二千多里，所以叫“万里长城”。
The Great Wall starts from the Shanhaiguan Pass in Hebei Province in the east and ends in the Jiayuguan Pass in the west. The total length is between 5 and 6 thousand li. Some parts have many lines of walls, and in total it is a little over 12000-li long, so it is called the 10000-li Great Wall.

A：我们一起照张相好吗？
Could we take a picture together?