Surprising perceptual illusions

I see the 4 drinks and the arm, but this is more of a photo trick than a mind-trick. Not as fun, hehe.

 

Where?

 

In the backpack

 

LOL, there's also a dog

 

Once seen, can’t be unseen.

 

Whats here?

 

At first glance it seems to be the middle-woman's weird left foot, or seeming lack of it.

 

classic one

 

now I saw it)

 

Be at arm’s length and squint