Pictures of the Week: January 25 - January 31, 2008

The Popocatepetl volcano, near Puebla, Mexico, sends out a plume of smoke and steam. The volcano has been intermittently erupting since December 1994.
Joel Merino / AP

Monday, January 28, 2008
Eruption
The Popocatepetl volcano, near Puebla, Mexico, sends out a plume of smoke and steam. The volcano has been intermittently erupting since December 1994.