SAO PAULO (BRAZIL), April 20, 2016 (Xinhua) -- Image taken on April 18, 2016, shows students taking a Chinese language class at "CEU Meninos" municipal public school in Sao Paulo, Brasil. Chinese classes at "CEU Meninos" school are promoted in partnership between the school and the Confucius Intitute. Currently 125 students from six to fourteen years old attend the classes in "CEU Meninos". The Day of Chinese Language is celebrated annually on April 20, aiming to promote multilingualism, cultural diversity and equal usage of the official languages of the UN in their forums. (Xinhua/Rahel Patrasso)