Pakistani teenage activist Malala Yousafzai, who was shot in the head by the Taliban for campaigning for girls' education, signs a copy of her book before an event launching her memoir, "I Am Malala", at the Southbank Centre in central London, Britain, October 20, 2013. Picture taken October 20, 2013. REUTERS/Olivia Harris/File Photo SEARCH "POY DECADE" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2019 PACKAGES. TPX IMAGES OF THE DAY.