Contagious Smile Photos
Experts say there are 19 different smile types. In other words, people’s smiles will vary according to different specific environments, such as polite, happy, understanding and kind, and so on.
Check out these pictures captured by the photographers, try to distinguish different types of the smile. Frankly, while arrangeing this group of photos, it is difficult to define each specific smile. Our only conclusion is that these smiles are genuine, not contrived. Good faith, to look to convey, interpret words, does not false. And scientific evidence also shows that people can intuitively distinguish between true and false smile.