Students of Nongyang Primary School play table tennis at break time, Bama county of Guangxi Zhuang autonomous region, June 6, 2012. Nongyang Primary School locates in the western part of Guangxi. Due to the local natural and economic conditions, the school is short of teaching equipment and many students have to walk nearly an hour to school every day. [Photo/Xinhua]

A teacher shows bamboo sticks to students during a mathematics class at Nongyang Primary School, Bama county of Guangxi Zhuang autonomous region, June 6, 2012. Teachers in this school have to use bamboo sticks to teach students to count numbers. [Photo/Xinhua]