Nobel Peace Prize Ceremony in Oslo (12 images)

Winners of the Nobel Peace Prize 2015, The Tunisian National Dialogue Quartet ( Hassine Abassi, Mohamed Fadhel Mahfoudh, Abdessattar Ben Moussa, Ouided Bouchamaoui) attend the Nobel Peace Prize Ceremony in City Hall in Oslo on December 10, 2015. Photo by Rune Hellestad/ UPI

Ouided Bouchamaoui from The Tunisian National Dialogue Quartet attends the Nobel Peace Prize Ceremony in City Hall in Oslo on December 10, 2015. Photo by Rune Hellestad/ UPI

Norwegian Crown Princess Mette- Marit and Crown Prince Haakon attend the Nobel Peace Prize Ceremony in City Hall in Oslo on December 10, 2015. Photo by Rune Hellestad/ UPI

Abdessattar Ben Moussa from The Tunisian National Dialogue Quartet attends the Nobel Peace Prize Ceremony in City Hall in Oslo on December 10, 2015. Photo by Rune Hellestad/ UPI