Pupils play during a nationwide activity aimed at building up the health of youths in Hefei, east China's Anhui Province April 29, 2007. The education ministry had urged schools nationwide to pay more attention to sports and lighten children's burden by reducing homework and increasing exercise.

Students do exercise during a nationwide activity aimed at building up the health of youths at a high school in Haikou,South China's Hainan Province, April 29, 2007. The education ministry had urged schools nationwide to pay more attention to sports and lighten children's burden by reducing homework and increasing exercise.

Students play basketball during a nationwide activity aimed at building up the health of youths at a park in Beijing, April 29, 2007. The education ministry had urged schools nationwide to pay more attention to sports and lighten children's burden by reducing homework and increasing exercise.

Students play basketball during a nationwide activity aimed at building up the health of youths at a park in Beijing, April 29, 2007. The education ministry had urged schools nationwide to pay more attention to sports and lighten children's burden by reducing homework and increasing exercise.

(China Daily via Reuters, China Foto Press April 29, 2007)