 Emily Wu is also a featured subject, together with Shi Tianjian and Yan Yunxiang, in Chris Billing's 2005 documentary "Up to the Mountain, Down to the Village".From 1968 onwards more than 17 million high school students and young adults were sent "up to the mountain, down to the village" (上山下乡 shang shan, xia xiang) to "learn from the peasants.