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WATCH: You may walk through a forest in this airport

The Changi airport in Singapore offers a unique nature experience of a forest which is being planted at the same airport furnished with a big waterfall.

Passengers passing through the terminals for boarding on aircraft may walk among scores of trees. Although nature in this airport in not new, the project is being further developed.

It is expected that by next year, the airport will have 2,500 great trees, apart from thousands small others and a great waterfall.

Changi airport has on many occasions been classified as the best in the world.