Celebrate the 15th OSM anniversary with a mapathon party!

Crowd2Map with a OpenStreetMap is inviting you to join us from every where in the world for a birthday mapathon! On August 10th, 11am GMT, we will celebrate 15 years of OSM, with local mapping parties & online!

Join & support us from wherever you are!

You’re invited to map one of these tasks, although any point added in Tanzania with the tag #TanzaniaDevelopmentTrust or #crowd2map in the 24 hour period from 11am GMT on Saturday 10th August until Sunday 11th August will count.

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