What do you see in the center of these figures, a letter B or a number 13?
Actually both depending on your perspective!
Is this a picture of a sailor or a man with a hat?
Both, the picture is a sailor one way and a man with a hat when turned upside down. Center the picture on your screen, then hit the refresh button on your browser!
Is this a seal or a donkey?
Both, depending on your perspective!