Ambitious 170-km-long Saudi skyscraper city gets construction go ahead
It will stretch over desert, mountain, valley and coastal terrain, and will have a mirrored exterior
Huge circular building runs rings around world’s tallest skyscraper
"As a green lung, the Skypark seeks to replenish the air with oxygen and intends to incorporate a series of activities and research centers"
Amazon wins approval for helix-shaped headquarters tower in northern Virginia (photo)
350-foot tower in expected to hold more than 25,000 workers when it’s completed in 2025