@CNN: When Saudi Arabia’s Jeddah Tower opens in 2020, it will knock Dubai’s iconic Burj Khalifa off its throne as the tallest skyscraper in the world. Here’s a look at how construction is progressing https://t.co/Kxs3NlPMyw https://t.co/sVTownJnYn

@CNN: When Saudi Arabia’s Jeddah Tower opens in 2020, it will knock Dubai’s iconic Burj Khalifa off its throne as the tallest skyscraper in the world. Here’s a look at how construction is progressing https://t.co/Kxs3NlPMyw https://t.co/sVTownJnYn