Students majoring in Chinese in Hanoi University show Peking opera masks made by themselves, Nov 20, 2014. [Photo by Wang Jian/China Daily]

The photo shows a Chinese language center in Hanoi. Nowadays, not only many universities in Vietnam have departments of Chinese language, there are also many privately owned mandarin centers. [Photo by Wang Jian/China Daily]

A disciple prays in a temple in Vietnam. A tablet written with Chinese characters "Mu Yi Tian Xia (a motherly model of the nation)" can be seen. [Photo by Wang Jian/China Daily]