A 2006 report from Human Rights Watch estimated that 23,000 street children were living throughout Vietnam. On the streets, children are susceptible to a wide range of threats and pitfalls, including child trafficking.

As one rescued boy remembers, "I didn't have time to make friends. The friends I did have ... would take me to do work that wasn't good."

CNN Hero Michael Brosowski is helping some of those street children turn their lives around.

Read more about Brosowski and how he is making a difference