The Incan relay system could transport news 150 miles per day. The runners, stationed every 2 miles, would run at top speeds and blow a conch shell to tell the next runner they were arriving. The next runner would fall into step beside them, hear and memorize the message, and then run at top speed to the next messenger. The system was so fast they could carry fresh fish from the Pacific Ocean to the Incan king in the Andes valley of Cuzco – without the fish spoiling.
Notes: Photo: Inca Trail via G Adventures
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