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6 déc. 150 av. J.-C. - Smoke signals

Description:

The smoke signal was one of the earliest forms of long distance communication and was first used by the Ancient Chinese people to transmit news, signal danger, or gathering people.

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ByAlexandra Paino
22 nov. 2018
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6 déc. 150 av. J.-C.
Maintenaint
~ Il y a 2178 ans
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