About this episode
Imagine hiking somewhere in the US: beautiful nature, amazing trails and... giant arrows! Yup, huge arrows are spread all across the US. What do they mean? What if I tell you they were meant for postal service purposes?
The arrows went all the way from New York to San Francisco, and there were approximately 1 500 of them! They were pretty huge, too, about 50 to 70 feet long. Let's find out why postmen needed those arrows and why some of them are still preserved...
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