Scientists studying the ocean floor in the Black Sea have found over 40 ships, some from as far back as the 9th century, that are so well preserved they can still see chisel and tool marks on the planks from the original builder. – WTF Fun Facts
Source: https://www.nationalgeographic.com/news/2016/10/black-sea-shipwreck-discovery/
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WTF Fun Fact – India’s Mountain Man
Dashrath Manjhi, known as ‘Mountain Man’, carved a path 360 ft long, 30 ft wide and 25 ft deep through a hill using only a hammer and chisel in India. It took him 22 years but it shortened the journey from 34 miles down to 9. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/Dashrath_Manjhi