› added 1 week ago

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TIL that Tokyo has the world's largest sewer system, designed to prevent flooding by storing excess rainwater in massive underground silos—and you can take a tour of it.

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via reddit.com

e01VE TIL of Plennie L. Wingo who walked backwards from Santa Monica, California to Istanbul, Turkey in 1931 and still holds the Guiness record for the greatest extent of reverse pedestrianism.
W5eY TIL Saudi Arabia is the largest country in the world without a river.
dmAj TIL that the Skype was initially named as “Sky peer-to-peer”, which was then abbreviated to “Skyper”.
4MBJ TIL The Finnish military once repulsed a massive invasion by the Soviet Union, with a million men and thousands of tanks. The Finnish had just a few dozen tanks and only 114 airplanes, but destroyed more than 3,500 of the Russian tanks, and caused 323,000 total casualties to the Russian force.
R7ln1 TIL Sir Isaac Newton's dog set his laboratory on fire, ruining his 20 years of research. When he saw what the dog had done, Newton is said to have exclaimed, "O Diamond, Diamond, thou little knowest the mischief thou hast done."