Noar (left) from Syria practices his oral Chinese with classmates at a language training center in Yiwu city, East China’s Zhejiang province on Dec 7, 2011. The class is split in two parts - one consisting of foreigners who come to learn Chinese and the other comprised of local Chinese businessmen who come to improve their English proficiency. The city, an international business hub, has seen a surge in expats studying Chinese in the cold winter months. [Photo/CFP]