Carlos Bautista: The awful logic of land mines -- and an app that helps people avoid them

Fifty years of armed conflict in Colombia has left the countryside riddled with land mines that maim and kill innocent people who happen across them. To help keep communities safe from harm, TED Resident Carlos Bautista is developing an app to track land mines -- and direct travelers away from them. Learn more about how this potentially life-saving tool could promote peace in countries plagued by land mines once conflicts end.

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