hey, welcome back to ": heroes." throughout tonight's broadcast we hope you go to cnnheroes.com to learn about our honorees. doe fanate if you can to help t do their life-changing work. connect on facebook, twitter, instagram where there are behind the scenes photos. take a look at one of the photos that was just posted. there is actually a sloth playing piano backstage. i don't know why. back to our heroes. according to the world health organization, in nepal, more than a quarter of the country lives in poverty. and in its rural areas, that number rises to nearly half. that life is especially hard on children, many are orphans. they receive really no formal education. and many spend their days hammering rocks into pebbles to earn money. here to tell us about a hero