When I read your title "Saudi Women Have Fun!" I had to laugh. Duh...of course they do. Most people in the world find a way to have fun. I did get a kick out of the video! Nice to see.
I live on a lake so I see a lot of people being pulled behind boats more or less like this. They are always falling off at some point. Fun in water, not so much fun on sand. I will note that the video is very short and doesn't show the point in which the girls fall off.
Reminds me of the snowy days when we were kids & our dad would pull us behind the car on a sled.;