国内精品一区二区三区最新_不卡一区二区在线_另类重口100页在线播放_精品中文字幕一区在线

Pupils do their morning exercise at the courtyard of an elementary school in the rural village of Gongshan on the bank of the Nu River, in southwest China's Yunnan Province March 2.

Pupils do eye-exercise as part of a morning exercise.

A student writes in her notebook.

Pupils write Chinese characters on the blackboard.

(China Daily March 3, 2007)