‘The Line’ is a Saudi Arabian mega-project under construction that is will span 200m wide, 500m tall, and 170km long. For reference, the One World Trade Center in New York is appx. 540m tall.
What about it?
The project, estimated to cost as much as $1-trillion, is proposed to house a population of 9-million+ people and run on entirely renewable energy. Additionally, the total land area of the project will be approximately 34 km^(2) compared to Manhattan Island’s 59 km^(2).