The Line might be the most ambitious real estate project in modern history, even branded as 'impossible' by many, but it's making progress. Located in Saudi Arabia, the £800 billion city is planned to span 170km (105 miles) by the time of its completion, while having a width of just 200 metres.

The world's largest construction project is carving up the Saudi desert. But will the megacity known as "the Line" ever become a reality?

New satellite images show how little progress has been made on Saudi Arabia's futuristic city of Neom, which is set to be the world's first 'linear city'

Neom - the planned 110-mile-long city that will stretch across Saudi Arabia - seems to be running into financial difficulties as experts predict disaster