2d Role-play the conversation.
Guide: Feel free to ask me anything on today’s Great Wall tour.
Tourist: How long is the wall?
Guide: Ah, the most popular question! If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers long. 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 quite tall and wide. As far as I know, there are no 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.