Onionmap - Interactive 3d maps of popular tourist attractions around the world.

Onionmap——“洋葱地图”是发布世界上最受欢迎旅游景点的互动式三维地图。

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Lauretta Burke who heads the project for the World Resources Institute is enthusiastic about the way in which interactive maps have enabled her team to gain more information and show it in an informative and engaging way.

CNN: Could online maps save coral reefs?

Much like Wikipedia, OpenStreetMap is a collaborative, crowdsourced and global project of over 650, 000 contributors dedicated to revolutionizing digital maps by creating a free, editable and interactive map of the world using data from satellites, GPS logs, local knowledge, and other sources of geographic information.

ENGADGET: Skobbler brings maps to Nook Tablet, Color with ForeverMap 2