BEIJING: It was a sweet surprise for the visitors at the Pakistan Pavilion at Shanghai World Expo when they saw on television screen a group of Pakistani youths singing Chinese songs.These Pakistani students belonged to CRI- Confucius Class Room from a remote area of the country.The Chinese learning class room was established by Nazeer Choudhry in Muzaffargarh.“They sang the songs perfectly in Chinese language to my surprise”, said a visitor named Li.Nazeer Choudhry is running the Confucius Class for the last over one year – App