14th World Summit of Nobel Peace Laureates

ROME, ITALY - DECEMBER 14: (From L to R) Tibetan spiritual leader the 14th Dalai Lama, co-founder of Community of Peace People dedicated to promoting a peaceful resolution to the troubles in northern Ireland Betty Williams and Liberian peace activist Leymah Gbowee attend the 14th World Summit of Nobel Peace Laureates closing ceremony in Rome, Italy on December 14, 2014. This year's summit, which is dedicated to South Africa's former leader Nelson Mandela, is the 14th summit that have taken place annually from 1999 and attracting Nobel Peace Prize laureates, high-profile leaders and organizations from around the globe in the field of peacemaking. (Photo by Baris Seckin/Anadolu Agency/Getty Images)