1 / 4   The newly unveiled Rain Vortex waterfall inside Singapore’s Jewel Changi Airport is 40 meters high and said to be the tallest of its kind in the world. /Reuters Photo

2 / 4   The waterfall features a light show. /Reuters Photo

3 / 4   The airport is decorated with lots of greenery in the hope of attracting more travelers to shop. /Reuters Photo

4 / 4   The terminal is housed under a dome of glass and steel, spreading over 135,700 square meters. It was designed by famous architect Moshe Safdie. /Reuters Photo