Children throw official 2014 FIFA World Cup soccer balls into the air during a protest against the tournament organized by Rio de Paz (Rio of Peace), which says Brazil is preparing for the sporting event but not supporting the country's education system. | (REUTERS/Sergio Moraes)

Sea turtles crawl across a beach in Bali, Indonesia. | (AP Photo/Firdia Lisnawati)

Competitors hug after running through colored powder at the Orange County Color 5K Run in Irvine, California. | (REUTERS/Lucy Nicholson)

A child drops coins into a golden Buddha statue at the Thai Buddhist Chetawan Temple in Petaling Jaya, Malaysia. | (REUTERS/Samsul Said)

Men practice Thai boxing at the Barthelemy Boganda stadium in Bangui, Central African Republic. | (REUTERS/Siegfried Modola)

A couple sits under the shade of an umbrella in La Jolla, California. | (REUTERS/Mike Blake)

A woman shouts during a vigil in Abuja, Nigeria, calling for the release of schoolgirls who were abducted by militant group Boko Haram in April. | (REUTERS/Joe Penney)

A boy paddles his boat through weed-covered Anchar Lake in Srinagar, India. | (REUTERS/Danish Ismail)

People prepare graves for victims of a mining accident in Soma, Turkey, that killed hundreds of workers. | (AP Photo/Emre Tazegul)

A Muslim boy wraps his friend's turban at a mosque in the western Indian city of Ahmedabad. | (REUTERS/Ahmad Masood)

Brown bears prowl inside an enclosure at "Libearty" Zarnesti bear sanctuary, in central Romania. | (REUTERS/Bogdan Cristel)

A plane drops fire retardant over a hot spot in San Marcos, California. | (AP Photo)

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