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Celebrating International Children's Day around the world

Carlos Barria / Reuters

A child plays with a bubble gun on a subway train in Shanghai on International Children's Day on Wednesday, June 1.

Frederic J. Brown / AFP - Getty Images

Children play inside inflatable wheels floating on the water of a lake at a Beijing park as schoolchildren have the day off to celebrate International Children's Day on Wednesday in Beijing. International Children's Day began in 1925 when the World Conference for the well-being of Children in Geneva, Switzerland, chose the date of June 1 to mark the occassion. China has the world's biggest population of 1.3 billion people but is battling a severe gender imbalance with the latest completed census in the country finding 118.06 males born to every 100 females over the past decade.

Wong Campion / Reuters

Children of migrant workers look out from backstage as they wait for their performance during the International Children's Day celebration at a kindergarten in Kunming, Yunnan province on Wednesday.

Heng Sinith / AP

Cambodian schoolchildren living near the dam site of Steung Mean Chey participate in an Interntional Children's Day event in the outskirts of Phnom Penh, Cambodia, on Wednesday. More then 300 schoolchildren took part in the event sponsored by a social activists group and presented with some educational materials.

Kirill Kudryavtsev / AFP - Getty Images

Russian children play with foam in Dvortsovaya Square in central St. Petersburg on Wednesday celebrating International Childrens' Day.

Armend Nimani / AFP - Getty Images

Kosovo Albanian children's dressed as ballet dancers take part in activities marking the International Children's Day in Pristina, on Wednesday.

International Children's Day began in 1925 when the World Conference for the well-being of Children in Geneva, Switzerland, chose the date of June 1 to mark the occassion.