[contentcards url=”https://gagadget.com/en/science/151787-saudi-prince-will-allocate-1-trillion-to-build-a-120-km-long-horizontal-skyscraper-mirror-line-which-will-be-high/” target=”_blank”] By: Maksim Panasovskyi Saudi Arabia intends to build a horizontal skyscraper that will be 170 km long. What we know The ambitious…