This giant, spiky stargate is really a huge musical instrument!!i!

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A unique new sculpture was unveiled in London that not only looks good — it sounds good as well.
The arch is made of 310 polished steel tubes channeling both light and the breeze to create an ever-changing experience for its audience standing below.
The sculpture is actually a giant Aeolian harp — an instrument played by the wind.
In between the giant tubes are strings that are sensitive to movements in the breeze causing them to vibrate.
The vibrations are transferred through skins on the top and channeled by the tubes ending up as sounds heard by users standing underneath.
The sculpture is aptly named Aeolus, after the rule of the four winds in Greek mythology,and the sound it makes is described as a low, resonant hum