Over the last two decades, 24,000 volunteers have helped Israeli charity Livnot U’Lehabanot repair over 2,700 houses for the less fortunate of Israeli society. It is just one of Livnot’s many projects at the core of its mission to bring immigrants and native Israelis closer to the Land of Israel.
http://www.youtube.com/watch?feature=player_embedded&v=cIVzlEN6vys
http://www.livnot.org/about-livnot/