Mr. Gao Defa teaching students to play violins during a music lesson at Dawangwu primary school in Pinggu, Beijing, China. 2010 Stock Photo
RMBMHG8T–Mr. Gao Defa teaching students to play violins during a music lesson at Dawangwu primary school in Pinggu, Beijing, China. 2010
Mr. Gao Defa teaching students to play violins during a music lesson at Dawangwu primary school in Pinggu, Beijing, China. 2010 Stock Photo
RMBMHG31–Mr. Gao Defa teaching students to play violins during a music lesson at Dawangwu primary school in Pinggu, Beijing, China. 2010
Mr. Gao Defa teaching students to play violins during a music lesson at Dawangwu primary school in Pinggu, Beijing, China. 2010 Stock Photo
RMBMHG2F–Mr. Gao Defa teaching students to play violins during a music lesson at Dawangwu primary school in Pinggu, Beijing, China. 2010