A boat that appears to be hovering over the ocean had many people wondering if they were going crazy or if they had been out in the sun too long. In the case of this hovering sail boat, the reason is fairly simple - it's a mirage. Specifically, it's a Fata Morgana, which is much more complicated ...

https://www.youtube.com/watch?v=UoP1sh1WXm8 Residents of Foshan Guangdong, China witnessed a shocking sight this past week when they observed what appeared to be a massive floating city (there were even skyscrapers) in the sky. The spectacle was witnessed by hundreds of locals as they snapped ...