Imagine building the parking garage underground, and having machines literally do all of the heavy lifting. You hand your car off to the valet, they pull it around, then it's hands off for the entire process until you want your car again. No worries of dings or dents from other careless drivers, just pure, perfect parking.

That's a reality in Japan. Which is odd considering how active their earthquake tectonics are. Little tremors all the time, similar to Oklahoma during fracking season. But I suppose there might be a benefit to building that under ground. There's nowhere for the structure to sway and fall... unless the ground gives out below... in which case, it didn't matter either way I guess.