In part 2 of this year's review of the most memorable events and images of 2013: protesters rally in Turkey, Egypt, and elsewhere; a massive tornado flattens much of Moore, Oklahoma; and Malala Yousafzai celebrates her 16th birthday with a speech to the United Nations. See also part 1 and part 3. The series comprises 120 images in all. Warning, some of the photos may contain graphic or objectionable content.