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Wikipedia's[4] MOSE article states the last of the 78 gates was put in place on 30 January 2019.
Covers Venice’s MOSE flood barrier construction, the same real-world project as this pin’s gate-installation milestone.[1]
Heavy Lift News describes Fagioli's multi-year job floating and positioning the MOSE barrier gates one by one, matching the video's subject.
Wikipedia states the last of the 78 MOSE gates was put in place on 30 January 2019, with the system first fully tested in July 2020.
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