Using the new satellite tomography, researchers can map Washington, D.C., in 3D and deformation and subsidence down to the millimeter. Professorship for Signal Processing in Earth Observation, Technical University of Munich. (Image: TUM & DLR). Image is illustrating the press release: "Watching cities grow"; 20.06.2017; https://www.tum.de/nc/en/about-tum/news/press-releases/detail/article/33979/. Free for use in reporting on TU München with the copyright noted