Take a look at this amazing image of a American Airlines aircraft sitting at La Aurora International Airport, Guatemala covered with Volcanic Ash. The Volcanic Ash rained down on La Aurora International Airport from a volcanic eruption at Pacaya Volcano on May 27th, 2010. Check out wikipedia for more details on Pacaya Volcano.

This image grab of American Airlines is from Wall Street Journal. Below the image is a Google Earth Tour of Pacaya Volcano and La Aurora International Airport.