Indian students hold placards during a demonstration against 'child labour' on the occasion of International Labour Day at a Senior Study School in Amritsar on May 1, 2015. Countries across the world celebrate May 1, as International Labour Day. The International Labor Organization (ILO) estimates that two hundred fifty million children between the ages of five and fourteen work in developing countries, and at least one hundred twenty million work on a full time basis. AFP PHOTO/ NARINDER NANU (Photo credit should read NARINDER NANU/AFP/Getty Images)
