Satellite photos that have just been released reveal the scope of the physical destruction wrought by the 7.0 earthquake that struck the Haitian capital of Port-au-Prince on Tuesday. The human toll of is still unknown–but with much of the city reduced to rubble, experts say tens of thousands of people may be dead.

This image shows roads covered with debris from collapsed structures, and the white-colored National Palace with damage visible along the roof line. The image was taken by the GeoEye-1 satellite from 423 miles up in space on Wednesday morning.

Image: GeoEye