What's really wrong with this photo???

This is a typical story of public opinion being the hangman. San Francisco designer Lehu Zhang, 29, set out to make a poster to honor the Chinese zodiac's Year of the Monkey, which began this week, the end result turned out to be something far more different. Zhang says he didn't notice the crudeness in the image which internet users took no time to spot.
"A monkey face was my initial plan, but as long as I was drawing, this turned out' he said