singapore - hsbc rain vortex at jewel changi airport in singapore. iconic indoor waterfall is a futuristic

interior waterfall indoor garden tourism travel architecture jewel changi terminal south east asia singapore airport vortex forest fountain hsbc rain architectural marvel lights colorful greenery plants trees people visitors enjoyment beauty grandeur unique masterpiece iconic design future stunning spectacle cascading illuminated atmosphere surrounding wonder focal point domeshaped roof geometric pattern lush natural ambiance breathtaking impressive memorable tourist attraction