Incredible use of crowd sourced data and mapping tech to create a platform to protect Tanzanian children

An innovative mapping project has helped save more than 3,000 girls from female genital mutilation (FGM) in the five years since volunteers began using it, a British-Tanzanian charity has said.

Teenagers, sometimes barefoot in their rush to escape being cut, have been successfully rescued by teams using volunteer-created maps for vast rural expanses of the East African country which were previously unmapped.

Crowd2Map, which was set up five years ago this month by London woman Janet Chapman, has added nearly five million buildings in Tanzania to previously blank areas on OpenStreetMap.

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