January 11, 2018 11:13 am Julia Marino and Ryan Stassel Explain Big Air Snowboarding With Legos Big air snowboarding will make its Olympic debut in Pyeongchang. U.S. snowboarders Julia Marino and Ryan Stassel explain how it works with the help of Legos. US & World Videos 3:11 Ryan Gosling skips darker film roles because of Eva Mendes and daughters 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance