China Education Expo 2012 will open its doors to visitors in Beijing on Oct 20, and will go on to cover Xi’an, Chengdu, Shanghai, Wuhan, Changsha and Guangzhou until Nov 3. Representatives of 500 universities from 38 countries and regions around the world are attending the expo, answering questions on study opportunities and scholarship programs. Here, 21st Century addresses the hot issues of studying abroad.