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Sinossi

If you think construction workers have a tough job, try doing it underwater. These professionals stay underwater for hours to build bridges and buildings beneath the surface. Dive in to explore the history of underwater construction workers, the tools they use, and the dangers they face every day.

Durata: 3 minuti (00:02:37)
Data di pubblicazione: 01/01/2024; Unabridged; Copyright Year: 2023. Copyright Statment: —

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