Optical Alusion

What's the illusion here? Is the girl risking her life by leaning her back, or is it simply done horizontally having no purpose except the artistic one?

If you follow the red dots, it seems that the wheel is rotating counter-clockwise. BUT, if you focus on the yellow dots, it is rotating clockwise.



And the last one is ways too interesting!


So tell me, what did you see???


I have a very dirty mind when i first looked at it. And later on, i was like, darn, it was just a.... :p