3d

Climate change is now being visualized in 3D maps on Google Earth.

By combing through images on Flickr, a team of researchers has created a 3-D model of the city of Rome constructed from 150,000 tourist snapshots.

The U.S. Military's Defense Advanced Research Projects Agency is investing in a program that looks to create 3D imagery of urban areas and the common spaces and objects that could pose threats or provide advantages to military operations.

A new mapping project is creating a comprehensive 3D image of the catacombs beneath Rome.