The devastation of the 2004 tsunami stretched across the Indian Ocean . `` What has been achieved is astounding . Hundreds of thousands were homeless , and poor and isolated communities worse off . Humanitarian ##s have helped rebuild schools , homes , and get people working . Groups believe long - term improvement of water and sanitation is critical .
The devastation of the 2004 tsunami stretched across the Indian Ocean . Hundreds of thousands were homeless , and poor and isolated communities worse off . Humanitarian ##s have helped rebuild schools , homes , and get people working . Groups believe long - term improvement of water and sanitation is critical .