lin? >>> all right, we have been following prince harry's adventures in central and south america, all week, but yesterday may have been his best day yet. prince harry playing beach volleyball, he did that and much more. abc's bob woodruff is in brazil with the latest. good morning, bob. >> reporter: this has been a remarkably good sports trip so far for prince harry here in brazil. he has one more game this morning, playing polo to help benefit the foundation that he created in africa a few years ago to help those kids with hiv. but so far this trip has been very successful. with his mother diana's easygoing charm, prince harry was a huge hit with the kids of rio. the boys offered the prince ed a viesz about cricket. and the girls couldn't believe they met a prince. i want to be a princess, she said. >> what we learned on this trip is that harry is the real deal and he's not going to stand by formalities, he'll do things his way and his way is fantastic. >> reporter: combining seriousness with humor, he started the day in the brazilian heat. he ran an eight-minute mile in a charity race. f