Woman stands near a poster of former Chinese leader Mao Zedong at her gas station office near Badong
A woman stands near a poster of former Chinese leader Mao Zedong at her gas station office near Badong, 100km from the Three Gorges dam in Hubei province in this August 6, 2012 file photo.
A woman releases black balloons during a protest against environmental pollution at the Zocalo square in downtown Mexico City April 26, 2012.