TanDEM-X global elevation model completed | The new three-dimensional map of Earth has been completed. Mountain peaks and valley floors across the globe can now be seen with an accuracy of just one metre; it offers unprecedented accuracy compared with other global datasets

See the source article by following the link below:
TanDEM-X global elevation model completed | The new three-dimensional map of Earth has been completed. Mountain peaks and valley floors across the globe can now be seen with an accuracy of just one metre; it offers unprecedented accuracy compared with other global datasets