with. >> as my oldest son said when he saw the tree for the first time, he said that tree even looks like duncan-- big and burly and beautiful. >> reporter: people who don't know the back story will stop by and take pictures. but for the neighborhood, it's so much more-- a reminder that life is precious. >> this brings us all closese tg together. it's just an extremely-- the tree is a teaching moment, right, for our kids. >> reporter: in turn, the neighborhood has helped david deal with his loss. >> three, two, one! >> whoa! ( cheers and applause ) >> reporter: it's proof that no matter what, the love a father has for his son will never stop shining. >> we wanted people to understand what's behind the lights. and it's not just a bright beautiful tree, it's really the spirit of duncan. >> reporter: john lauritson, cbs news, wyzetta, minnesota. >> yuccas: keep shining. and that is the news for tonight. i'm jamie yuccas in new york. for all of us at the "cbs weekend news," merry christmas and good night.