Manila, the hyper-dense capital of The Philippines, is known for its traffic jams. In a 2016 survey, navigation company Waze ranked Manila as having the "worst traffic on Earth."

The city's reliance on cars also exacerbates its growing air-pollution problem.

As a possible solution to Manila's smog and gridlock, the country plans to build an entirely new, more sustainable city called New Clark.

Plans for the $14 billion development — which will be larger than Manhattan — call for drones, driverless cars, technologies that will reduce buildings' water and energy usage, a giant sports complex, and plenty of green space.

Take a look below.