How many girls in this picture? You wouldn't believe the answer!

on
https://www.thepoke.co.uk/wp-content/uploads/2016/03/girls_pic_thumb.jpg

In this post of Swiss ‘phoneographer’ Tiziana Vergari in Instagram, many are freaked out and confused in telling how many girls are in the picture.
Titled as "Same but different" Vergari confirmed that there are only TWO girls are in the picture,  it is part of a campaign #WHPidentity that salutes individuality.

Now can you see it?