It could be difficult to choose between a nice lawn that the children can play on, and having the space for a pool. An Israeli engineer, Gil Kar, found a way to make the best of both worlds.
His idea is simple but ingenious. In 2013, he installed his lawn on a sliding platform that hides a swimming pool underneath it. The result: he can enjoy the lawn with his family as he pleases, but in the blink of an eye, he only has to press a button to unveil the swimming pool! Not 100 miles from James Bond territory, but this construction is anything but fiction!
Here is the proof that your eyes can sometimes deceive you: