Earth Day marked internationally
[ 2007-04-23 09:31 ]
![Cyclists ride across the Chain Bridge during a Critical Mass ride to celebrate Earth Day in Budapest April 22, 2007. Critical Mass is a cycling event in which a large number of cyclists ride on the streets.](../../../att/site1/20070423/xin_160404230940057104035.jpg)
Cyclists ride across the Chain Bridge during a Critical Mass ride to celebrate Earth Day in Budapest April 22, 2007. Critical Mass is a cycling event in which a large number of cyclists ride on the streets. (Reuters)
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