A student holds a poster during the launching ceremony of "Green Dreams, Colorful Olympics" 2007 International Painting Contest for primary and middle school students at a park in Beijing April 13, 2007.

Students colour a poster during the launching ceremony of "Green Dreams, Colorful Olympics" 2007 International Painting Contest for primary and middle school students at a park in Beijing April 13, 2007.

A woman and child look at a Beijing Olympic mascot during the launching ceremony of "Green Dreams, Colorful Olympics" 2007 International Painting Contest for primary and middle school students at a park in Beijing April 13, 2007.

Students plant trees during the launching ceremony of "Green Dreams, Colorful Olympics" 2007 International Painting Contest for primary and middle school students at a park in Beijing April 13, 2007.

A woman gestures in front of 2008 Beijing Olympic mascots during the launching ceremony of "Green Dreams, Colorful Olympics" 2007 International Painting Contest for primary and middle school students at a park in Beijing April 13, 2007.

(China Daily via Reuters April 14, 2007)