al maktoum international airport | scienceinfo.net

Dubai built the world's largest airport in the desert
The construction process of Al Maktoum International Airport with the capacity to accommodate 160 million passengers will take decades in the desert near Dubai.
The world's 9 largest super projects are under construction
According to Business Insider, the projects below cost hundreds of billions of USD and are in the process of construction, are the most expensive projects in the world.