Shou Yuxin shows his self-made cards for teachers as gifts to celebrate the Teachers' Day at a primary school in Hangzhou, capital of East China's Zhejiang Province, Sept. 10, 2013. Teachers' Day falls on Sept. 10 every year in China. (Xinhua/Ju Huanzong) 

Shou Yuxin sends a self-made card for his teacher as a gift to celebrate the Teachers' Day at a primary school in Hangzhou, capital of East China's Zhejiang Province, Sept. 10, 2013. Teachers' Day falls on Sept. 10 every year in China. (Xinhua/Ju Huanzong) 

A teacher arrives after receiving flowers bought by school as a gift to celebrate the Teachers' Day at the entrance of Shunwen Middle School in Jinan, capital of East China's Shandong Province, Sept. 10, 2013. The school maintained that teachers are prohibited from receiving gifts or money from students or their parents on the occasion of the Teachers' Day, which falls on Sept. 10 every year in China. (Xinhua/Xu Suhui)