Comment le tunnel sous-marin le plus long du monde a-t-il été construit ? - Alex Gendler

Why it's on BrighterTube

Intro · From a channel a BrighterTube curator approved in full · found via Round 4 discovery (unsure list, re-vetted by transcript) · 85% confidence

From a channel Lumen includes in full after transcript vetting: TED-Ed lesson on recessions is teaching; other samples are bare YouTube links with no content.

What you'll learn

A 5-minute video from Restons Curieux — TED-Ed's catalogue; the title names its topic.

Video by Restons Curieux — TED-Ed, played through YouTube's embedded player.

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