The United Nations' aid chief took stock of the monumental task of restoring basic necessities in the devastated Gaza Strip on Saturday, as Israel and Hamas exchanged more human remains."I drove through here seven to eight months ago when most of these buildings were still standing and, to see the devastation, this is a vast part of the city, just a wasteland, and it's absolutely devastating to see," he told AFP. The densely packed cities of the Gaza Strip, home to more than two million Palestin