peaceengine.com Blog

Why would a grown man name his newest pet computer Black Tortoise? There’s mystery in that and perhaps a story worth telling. In the meantime check out the wikipedia page concerning Black_Tortoise which is sometimes called the Black Warrior of the North. The Black Tortoise (xuanwu) is the sign for the northern quarter of the sky. The follwoing image on the grounds of the Beijing Ancient Observator is copied from the wikimedia.org website.

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