The devastation of the 2004 tsunami stretched across the Indian Ocean . Hide Caption 8 of 12 Photos:Photos: Humanitarian groups have helped rebuild schools , homes , and get people working . ` Groups say long-term improvement of water and sanitation is critical .
The devastation of the 2004 tsunami stretched across the Indian Ocean . Hide Caption 8 of 12 Photos:Photos: Humanitarian groups have helped rebuild schools , homes , and get people working . Groups say long-term improvement of water and sanitation is critical .