article_snippet.sent: Inside, children and adults gather on the floor to sing songs .
article_snippet.sent: Sertar attracts a mix of students from ethnic Chinese students to pupils from Taiwan, Hong Kong, Singapore, and Malaysia .
article_snippet.sent: The incredible academy attracts a mix of students from ethnic Chinese students to pupils from Taiwan, Hong Kong, Singapore, and Malaysia, who attend separate classes taught in Mandarin, while larger classes are taught in Tibetan.