extreme sports

3. You ride over water on a short surfboard and perform stunts while holding a rope towed by a speedboat.
5. You can do this on street or use specially designed ramps.
7. You climb the steep sides of mountains.
10. You usually move along the surface of water on a long narrow board with the help of the wind.
12. You do this in the snow, usually traveling down snowy slopes.
13. You jump out of an airplane and fall freely through the air before opening your parachute.

1. You need big waves to do this.
2. You usually do this on a river.
4. You use a car to do this.
6. You need to interact with physical obstacles in creative ways, such as by climbing, jumping or running.
8. You use a motorbike to do this.
9. You need to fly something with this.
11. You have to go down in the sea.