From the Shanghai Tower to The Shard, six skyscrapers with the world’s highest observation decks

From the Shanghai Tower in China (that has the fastest elevator in the world) to the London’s skyscraper The Shard, from Dubai’s Burj Khalifa (the tallest tower in the world) to Hudson Yards in New York City, here is a graphic representation of the six highest observation decks in the world built inside skyscrapers, from which it is possible to admire the panorama of vast cities.