There's nothing like an optical illusion going viral and indefinitely causing confusion. BUT, look at it how you want to. I always find them pretty cool to watch and figure them out for myself. What do you think these cars are driving into?! To me, it looks like they are driving into a parking deck of some sort or maybe a building. At first, I thought it was a bridge. I don't see the "Water" under the bridge really moving. I had to look twice. Check it out for yourself.
Video Cred: Yahoo