AP PHOTOS: Sore muscles, empty tummies for youngest migrants
![AP PHOTOS: Sore muscles, empty tummies for youngest migrants](http://images.worldnow.com/AP/images/8759436_G.jpg)
How far can you walk when you are a child? How scary do border police appear to those only three feet high?
How far can you walk when you are a child? How scary do border police appear to those only three feet high?