The Thames Barrier must never fail. Here's why it doesn't.
- Episode aired Dec 13, 2021
- 7m
The Thames Barrier is a wonder of engineering. If it fails, then London floods. Here's how the engineers there make sure it doesn't fail.The Thames Barrier is a wonder of engineering. If it fails, then London floods. Here's how the engineers there make sure it doesn't fail.The Thames Barrier is a wonder of engineering. If it fails, then London floods. Here's how the engineers there make sure it doesn't fail.