Face illusion – How many faces in the picture

Lovely face illusion, How many human faces in the picture?

There are 11 human faces in the picture. Can you find them all?

Face illusion – how many you find?

• Normal people find 5 or 6 of them.
• If you find 8 or 9, you have a good sense of observation.
• If you find 10, you are very observer.
• If you find 11, you are extremely observer.

What is an illusion?