[Singapore] The world’s best airport just unveiled a $1.25 billion glass dome mall with a rainforest, waterfalls, and bejeweled clouds

The waterfall in the centre of Jewel Changi Airport sits amid a landscaped forest valley. Rachey Tay/Business Insider Singapore’s Changi Airport isn’t famous for no reason. Having held the world number one title for six years running in the Skytrax awards, it’s clear that it’s earned its title — and it doesn’t look like it’s going anywhere…