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TIL Xinghai Square, Dalian, China covers a total area of 110 ha (270 acres), making it the largest city square in the world. China's tallest huabiao (19.97 meters high) was once located at the center of the square but it was demolished secretly in 2016 at midnight without explanation

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Z57Q TIL Rope (1948 Jimmy Stewart, IMDb 8.1 RT 97%) is an 80 min Hitchcock film shot in only 10 takes, with every other cut masked so it looks like only 5 takes (projectionists changed reels every 20 min) It takes place in real time, is Hitchcock’s first Technicolor film, and was banned for homosexuality
dDZKr TIL people have been trying to figure out whether fat collected from dead pigs was used to move the big rocks during the construction of Stonehenge
Y9PZ TIL the difference between hawks and falcons is hawks kill their prey with their feet, while falcons kill using a “tooth” on the side of their beaks.
5YQ6B TIL about "whisker fatigue" in cats - they eat only from the center of their food bowls and then cry about it because brushing their whiskers on the side of the bowl causes sensory overload
dDXnE TIL about Aaron O’Connell, who in 2010 created the worlds first quantum machine, showing us that objects visible to the naked eye can be in two seperate states at once