Saudi Arabia is building one of the most ambitious urban projects in human history — a 170 km long mirrored smart city known as “The Line.” Designed with no cars, no roads, and zero emissions, this ultra-compact vertical city aims to redefine how millions of people will live, work, and move in the future. Important Details: • The Line stretches 170 km but is only 200 meters wide, minimizing land use • Fully powered by 100% renewable energy, with zero cars and zero streets • Everything residents