The Popocatepetl volcano spews a cloud of ash and steam high into the air as seen from Puebla, 100 km (62 miles) east of Mexico City April 14, 2012. REUTERS/Imelda Medina
A farmer works his land as the Popocatepetl volcano spews a cloud of ash and steam high into the air in San Nicolas de los Ranchos, on the outskirts of Puebla April 18, 2012. Reuters
