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… #brightside TIMESTAMPS
US mail 00:00
Postal Service 00:23
Mail across the country 01:44
The arrows 02:14
Improving technology 03:24
Mountains bounce off radio signals 04:15
What the arrows look like 05:09
Landmarks 05:48
The pitch 06:58
Flight academy 07:38 Preview photo credit: These are the remnants of Transcontinental Air Mail Route Beacon 37A, which was located atop a bluff in St. George, Utah, U.S.A: By Dppowell, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, https://commons.wikimedia.org/w/index.php?curid=34695738 Animation is created by Bright Side.
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