Olympic skiing gold medalist and World Cup champion Lindsey Vonn congratulates Niall Gosson, 18, of Rush, County Dublin and Daniella Timperley, 17, of Randalstown on their selection as top youth volunteers by Ireland's Pramerica Spirit of Community Awards. Niall and Daniella were recognized at the Smithsonian’s National Museum of Natural History during the 23rd annual presentation of the U.S. Prudential Spirit of Community Awards.