The Line building that is about to be built in Saudi Arabia, will be a single structure that will also be a city capable of hosting 9 million people.
It will be 170 kilometers long, stretching through the desert near the Suez Canal.
The goal of this futuristic project is to get rid of some of the problems that exist in big cities such as traffic congestion and pollution. The purpose is to have high-speed trains for the transportation of residents, not cars.
Its completion is likely to be by 2030 and its cost between 200 and 300 billion US dollars.
[Source: http://www.dataconomy.com]
