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A student shows another how to smile during an etiquette training class at a vocational school in Beijing January 7, 2008. A small group of vocational students, mostly between the ages of 16 and 18, are going through physical conditioning as well as professional training for dressing and etiquette in order to be stewards for the service industry, but a select few will become stewards for medal ceremonies during the 2008 Beijing Olympics. REUTERS/David Gray (CHINA)