Its not what you think pictures

This is your last chance to look at the picture again - really look at it - before we tell you what you're really seeing.

10 pictures that will make you say ‘Hmmm...’

Perhaps you think that, on first glance, it's a photo of a huge crowd of people at a festival or outdoor concert, with bright glaring lights engulfing a funkily designed stage.

A 900,000-litre per hour filtration system. This cat only has eyes for Estonian BMX riders. But if you catch it on the right day, fog envelops the city, laying just low enough for the 14th-century fortress to stick out above the clouds.

28 Pictures That Make You Think about Things Differently

The castle in the sky. You can even scuba-dive inside it. Do you feel represented by fashion? How about the brick wall optical illusion that went viral last year?

its not what you think pictures

Finally, there was this image of a young girl who appeared to be totally underwater. If you want an excuse to see one of the largest medieval fortress in Europe and walk in the clouds, this one's easy — you'll only need to climb about 85m of steps to see the sky.

its not what you think pictures

Lots of men cannot understand this joke about curled hair. Take a closer look, then read on to see what the photographer had to say.

**notice It Is A Thumb, It's Not What You Think It Is**

Glastonbury, perhaps? Surfing the sky.

its not what you think pictures

Normally the Festung Hohensalzburg that's the castle sits above the picturesque Austrian city of Salzburg. Our only question: Inside the hotel, guests marvel at the 25m-high aquarium. The next day we printed the photo, attached it to Libor's helmet and did everything again. Someone took this pic for the internet. Let us know which one you think it is in the comments.

31 Photos That Aren't What They Seem

Take a second, and see if you can figure this one out. What is going on here?! You'll just have to trust your eyes and make up your own mind... City swimming.

its not what you think pictures

What's the first thing that comes to mind when you look at this picture? Noughty Boys: