Every dot on the map represents someone who died, and information about their whereabouts, their route and what they did was determined after interviewing surviving family members, who likely would have spoken to them on a cellular phone as the tsunami approached. The map also pulls in information from Google Street View so that the location of the tsunami victims can be seen.
Kvankam forpasintoj ne rakontas, evidentiĝis per intervjuoj kun familianoj postvivantaj, kie ili estis, kiun vojon ili iris kaj kion ili faris.