As April draws to a close, National Geographic photo editors look back at moments from the month—tragic, jubilant, and peaceful—that played out around the world.Here a camera lens captures a young boy of the Tai Yai ethnic group dressed for a Poi Sang Long ceremony on April 3 in northern Thailand. The ceremony ordains boys aged 7 to 14 as novices to study Buddhist doctrines, according to the European Pressphoto Agency. (Also see "Pictures: Best News Photos from 2013 World Photo Press Contest.")—Katia Andreassi, Kate Andries, and Alexis Manning