http://www.zencollegelife.com/10-hand-gestures-you-should-know-when-traveling/
Patti Wood, MA, Certified Speaking Professional – The Body Language Expert. For more body language insights go to her website at http://PattiWood.net. Also check out the body language quiz on her YouTube Channel at http://youtube.com/user/bodylanguageexpert.
Humans learn at a very young age to distinguish faces. In fact, studies have shown that an infant will pay closer attention (i.e. stare longer) at a face than any other object, no matter how colorful.