According to legend, Robert Chang painted a picture of a Japanese girl called the Melancholic Princess. He then posted it on the Internet and committed suicide.
Some people who saw the picture, declared that, if you look at it for 5 minutes, then the picture starts to move, or age, or smile, or move – everyone saw something different.
Here are just a few of the comments we got when we showed this picture on our facebook page.
By the way if you'de like to see our facebook page and join in you will find it here. www.facebook.com/opticalspy