Pass it on: Qianlong used a Baile P500

The shadows of childhood, revisited in adulthood, can be profoundly moving! Respect life, cherish li

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Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

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[Painting]Draw a butterfly in calligraphy style

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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

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[DIY]Having fun with 3D Jelly Pens

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Interviewing the first candidate caught cheating in the college entrance examination in 2020, I neve

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Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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The genius boy turned into a hacker and broke through three defense systems!

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[Handwriting] The beauty in front of you is always difficult to retain, just like Zhu Yan's words fr

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If you write on a banana with an empty pen, will the words slowly emerge?

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Infinity∞+infinity∞=?

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What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

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[Calligraphy] Chinese Calligraphy With Fountain Pen

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The colorful black ink is so beautiful? Beautiful cry! Easy to cry!

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Ugly book warning! Waste 1 minute of your life to understand why calligraphers' calligraphy is so ug

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