Aircraft equipped with laser scanners are making a new accurate 3D map of the UK, showing everything more than 3 feet wide…

“The new project, starting immediately and running through winter 2018, will cover all of England’s national parks, areas of outstanding natural beauty and sites of special scientific interest (SSSIs) such as the Peak District … the data is expected to be made available for free to the public and industry.”

Previous data sets have been public, and have helped uncover things like ancient Roman roads through the landscape — though were not so detailed or up-to-date as this one will be.