• 5年前
Beijing people trains the pigeons to fly in certain orbit. You have to raise a rod from the left, So the pigeons could turn right. At some certain point, when you raise the rod from right, And It will go to the left.
The Beijing locals not only love training pigeons , but also love to make the pigeon whistle, the whistle stitches on the pigeons , thus when they fly, we could hear the sound in the air, just like a like of music .
https://goo.gl/EXMt3Z

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