Holy cow...this optical illusion was the hardest ever! It took me a very long time to see it! And I knew what to look for!

So...the trick is that this isn't a picture of mountains and a lake...it's a concrete wall with mountains behind it! Can't see it? Check out the hints - can you see it? I finally saw it and I felt like I just solved all the world's problems!

More From Q97.9