gone ahead to participate in a referendum going on in sudan. basically they're trying to decide whether or not they want to split away from the country, be their own country, and it would be like the 193rd country in the world. kyra, look at her. this is really the highlight. the oldest voter in southern sud sudan. her name is rebecca. she was carried up the stairs in her wheelchair. you can see how they put a purple ink on her thumb and they voted that way. she wore her best lacy glove on one of her hands. this woman, kyra, has seen sudan go through colonial rule, through a long and very devastated war with the north, where 2 million people were killed, and now she is living this moment and it is a huge deal. there she is, dressed up in her best. her kids and her grandkids wheeling her in there. she was determined to vote. >> so what's the -- i wonder what key is to that many years of life. that's what i would like to know. >> good food and exercise. lots of love. she's got 12 kids.