You can either press the flag or the up button to start. If you pushed the flag, then push the space button for the whole story. Then you may press the up button. If you push the up button first then press the flag and space. Have Fun!
The facts at the end aren't in my own words, they are direct for the WWF. Click the link to learn more. https://www.worldwildlife.org/blogs/good-nature-travel/posts/ten-interesting-facts-about-machu-picchu