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.
Все эти данные были собраны благодаря опросу оставшихся в живых родственников, которые во время того, как приближалось цунами, наверняка звонили своим близким по телефону.