Defining Moments: Capturing our changing world By Monica Sarkar and Ivana Kottasová, CNN July 26, 2013 -- Updated 1317 GMT (2117 HKT) Pope addresses Brazil's youth Celebrating Yadnya Kasada Aww. Heir he comes Earthquake in China The practice of Falun Gong Navalny out, for now Happy Birthday, Madiba! School meal tragedy Forced to flee home Rage after the Zimmerman acquittal Malala: Global voice for girls Landslide devastates China Ramadan begins Pope prays for refugees Murray makes history 100th Tour de France Focus on Egypt Remembering Arizona's fallen firefighters Aging China One year on, anger in Egypt Syria's civil war: No end in sight China's space mission accomplished Prayers and songs for Nelson Mandela Nadal: Out Biggest, brightest moon of the year Welcoming summer sunshine No more walls: 'Ich bin Obama' Heavens opened early in India Brazil: 'Don't shoot, listen!' Forgotten 'Queen of the East' Editor's note: Each day, CNN brings you an image capturing a moment to remember, defining the present and claiming its place in history. The photographs we select will look ahead to the future and chronicle our changing world. See more Defining Moments: June 2013, May 2013