Best friends Original: lost on the web What am I looking at? At first glance it looks like the brunette is groping her best friend. But as you look a little better you will find it is just a dirty optical illusion. The leg on the left belongs to the brunette, who is having her arm around it. More optical illusions:Cat portalDirt WheelsFloating either wayBeautiful CaterpillarFlying F1 CarEchidna kittenOh deer! It's a catBird Strike