 Complete the following phrase:  He has also been part of Olympics ceremonies. In 1994, the Crown Prince and his father played roles during the opening ceremony in Lillehammer: while the King declared the Games opened, the Crown Prince lit the cauldron, paying tribute to his father and grandfather having served as Olympians. In 2016, his daughter Princess Ingrid Alexandra did the same at the II Winter Youth Olympics, which was also held in Lillehammer. In 2010, Haakon attended the 