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The Rain Vortex is the largest indoor waterfall in the world, 40 meters of water fall within a complex of 135,000 square meters that is literally inside the airport
Imagine disembarking from a 12-hour flight and, instead of gray corridors and immigration lines, finding a tropical forest with a 40-meter waterfall. This is Jewel Changi, in Singapore.
Opened in April 2019, the complex is located in the heart of Changi Airport, connecting three terminals.
It spans 135,700 square meters distributed over 5 floors above ground and 5 below.
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At the center of it all is the Rain Vortex: the largest indoor waterfall on the planet.
The water falls from the top of the glass and steel dome, traverses 7 floors, and disappears underground.
At night, lights and projections transform the waterfall into a sound and light spectacle.
The project cost US$ 1.7 billion and was designed by Israeli-Canadian architect Moshe Safdie.
A forest of 2,000 trees inside an airport
Surrounding the waterfall, the Forest Valley houses over 2,000 trees and palms.
These are species from tropical forests in Asia, South America, and Africa.
Visitors walk along trails among the trees, climb stairs between the canopies, and cross suspended bridges.
Forget that you are in an airport. It feels like a national park with air conditioning.
On the top floor, Canopy Park offers suspended nets among the trees, slides, mirror mazes, and a topiary garden.
Children play. Connecting passengers rest on the grass. Singapore residents visit the airport just to stroll.
The engineering behind the 40-meter waterfall
The Rain Vortex is not just decorative. It is part of the building’s rainwater collection system.
The ring-shaped ceiling, with a 200-meter diameter, directs all the rainwater to the center.
The water is filtered and reused to irrigate the gardens and cool the building.
On days of heavy rain, the flow of the waterfall naturally increases.
The glass and steel dome was manufactured with 9 thousand individual panels, each with a unique shape.
The structure is self-supporting, with no internal columns supporting the ceiling.
Why Singapore put a forest inside the airport
Singapore is a tiny city-state: 733 square kilometers, smaller than many Brazilian municipalities.
Space for parks and forests is scarce.
The solution was to integrate nature into urban infrastructure.
The Jewel is not just an airport with plants. It is a public park that just happens to have boarding gates.
Residents go there to dine, shop, and play with their children.
Changi Airport has consistently been voted the best in the world for over a decade.
The Jewel is the reason passengers choose to connect in Singapore even when it is not the shortest route.
More than 280 stores, restaurants, and an IMAX cinema
The Jewel is not just about nature.
There are 280 stores and restaurants spread across 5 floors.
It has everything from luxury brands to Singaporean street food.
There is an IMAX cinema, a hotel within the complex, and a 24-hour supermarket.
The concept is that no one needs to leave the airport for anything.
Passengers with a 6-hour layover do not get bored. They are too busy.
What the Jewel teaches other airports
Airports are often synonymous with boredom, lines, and expensive food.
Singapore proved it doesn’t have to be that way.
The $1.7 billion investment pays off in tourism, commerce, and reputation.
Other airports are trying to copy: Istanbul has gardens, Doha has sculptures, Tokyo has onsens.
But none have a 40-meter waterfall in the middle of a tropical forest.
Singapore transformed the most boring experience in the world, waiting for a flight, into the most beautiful.
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