Just when you thought the best airport in the world couldn't get any better, Changi Airport now boasts the tallest indoor waterfall. Jewel is Changi Airport's newest hub. It was designed by Safdie Architects and cost about $1.3 billion. Apart from the world's highest indoor waterfall, it is also home to a five-story garden that hosts around 900 trees and 60,000 shrubs.
Topics Innovations
