TED-Ed

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Epic engineering: How did this get made

Have you ever looked at a building or structure, scratched your head and thought, “How did they do that?!” This series takes you around the world to see how some of humanity’s most daring, innovative, and iconic feats of engineering came to be.

5:06Why doesn’t the Leaning Tower of Pisa fall over? - Alex Gendler2019年12月3日5:12Blood, concrete, and dynamite: Building the Hoover Dam - Alex Gendler2021年12月23日5:05Will there ever be a mile-high skyscraper? - Stefan Al2019年2月7日5:24Why isn’t the Netherlands underwater? - Stefan Al2020年3月24日5:36Demolition, disease, and death: Building the Panama Canal - Alex Gendler2021年4月27日5:16How one design flaw almost toppled a skyscraper - Alex Gendler2021年5月6日4:58How the world's first metro system was built - Christian Wolmar2018年4月19日5:38How the world's longest underwater tunnel was built - Alex Gendler2020年3月30日6:08How the world’s tallest skyscraper was built - Alex Gendler2021年4月20日5:16One of the most epic engineering feats in history - Alex Gendler2020年2月11日4:57Could we build a wooden skyscraper? - Stefan Al2021年7月6日5:38Building the world's largest (and most controversial) power plant - Alex Gendler2020年12月10日5:27Building the impossible: Golden Gate Bridge - Alex Gendler2022年2月22日5:22How the Suez Canal changed the world - Lucia Carminati2022年5月3日5:33How did they build the Great Pyramid of Giza? - Soraya Field Fiorio2022年10月13日5:35Is this the most beautiful building in the world? - Stephanie Honchell Smith2022年12月1日4:45Why are beavers obsessed with dams? - Glynnis Hood2023年1月5日5:16Is Chandigarh a perfectly planned city? - Vikramāditya Prakāsh2024年2月8日5:31The underground cities of the Byzantine Empire - Veronica Kalas2024年3月21日6:50The incredible engineering of Venice - Stephanie H. Smith2026年5月21日6:28How do Maglev trains work? - Ning Zhao2026年8月11日