PPT预览
Guide: Feel free to ask me anything on today's Great Wall tour.
Tourist 1: How long is the wall?
Guide: Ah, the most popular question! If we're only talking about the parts from theMing Dynasty, it's about 8,850 kilometerslong. This makes it the longest wall in the world.
Tourist 2: Wow, that's amazing! Why did the ancient emperors build the wall?
Guide: The main reason was to protect their part of the country. As you can see, it's quitetall and wide. As far as I know, there areno other man-made objects as big as this.Tourist 3: Is Badaling part of the Ming Great Wall?
Guide: Yes, it's the most famous part.
