Photo taken on July 13, 2013 shows a boy seats by a cross while a cloud of ashes rises from the Popocatepetl volcano in San Nicolas de los Ranchos, Puebla, central Mexico. (Xinhua/Guillermo Arias)
A man looks at the spew of the Popocatepetl volcano in San Andres Calpan of the Calpan municipality, Puebla, central Mexico, on July 14, 2013. (Xinhua/Guillermo Arias)
Image taken on July 13, 2013 using an Iphone 4S' "Hipstamatic" app shows the Popocatepetl volcano, in Santiago Xalitzintla, in the San Nicolas de los Ranchos municipality, in the state of Puebla, in the center of Mexico. (Xinhua/Guillermo Arias)
