Learn about OpenStreetMap and how to map for humanitarian causes.
困っている人々のためにマップを作ろう!
Join the UN Crisis Map Challenge and create a map that tells a story.
国連危機マップチャレンジに参加しよう!
Join fellow mappers from around the world to share your work and learn from others.
世界中のマッパー仲間と出会おう!
Visit the website for more info.