Saudi Arabia is building a $7 billion city on the sand — here's what it will look like

The$7 billion development will measure 51.6 million square feet when complete.

The city's master plan calls for retail, office space, and over 1 million square feet of housing.

The Knowledge Economic City's four residential neighborhoods will feature parks, playgrounds, gyms, mosques, shops, and swimming pools.

One neighborhood will include 900 villas, which will look like this.

The mall will have luxury cars showrooms, restaurants, cafés, and some American food chains.

The Saudi Arabian government claims the development will create 20,000 jobs and provide housing for 150,000 people. They will live in apartment buildings that look like this.

Residents will be able to travel to Mecca and Jeddah via the Haramain High Speed Railway, a 281-mile train line set to open in early 2018.

Source: Arab News

The project is part of Saudi Arabia's effort to create an economy that focuses less on oil. In October, Saudi Crown Prince Mohammed bin Salman announced that the government will also start building a $500 billion mega-city, called NEOM.

Source: Business Insider

The developments are certainly ambitious.