9 mesmerizing indoor gardens around the world

The centerpiece of Jewel Changi Airport, an entertainment and shopping complex that surrounds and connects Changi Airport, is the Rain Vortex, a 40-meter tall indoor waterfall – it also happens to be the tallest in the world. Surrounding the falling water is the Shiseido Forest Valley, a 23,000-square-foot indoor garden that spans five stories and is home to around 3,000 trees and 60,000 shrubs.