Students practise singing during a training session in Peking Opera at an art school affliated to Shenyang Normal University in Shenyang, Liaoning province, November 3, 2011. The art school's Peking Opera department has more than 200 students aged 4 to 17-years-old. Students are required to complete 12 years of training before they are able to take the national college entrance examination to attend art colleges, according to local media.[Photo/Agencies]