What is The Line, the 170km-long mirrored metropolis Saudi Arabia is building in the desert?
- Written by Andrew Allan, Senior Lecturer in Transport, Urban and Regional Planning, University of South Australia

As climate change rapidly advances, many Middle Eastern states are aiming to make the transition from carbon-based economies to alternatives that attract people from around the world – for tourism, business, work or to live.
One such example is a development known as NEOM, to be built in Saudi Arabia.
A key part of the plan is...