![penny4_charcoal_backgroundtexture_2.0.jpg](https://images.squarespace-cdn.com/content/v1/58839c846b8f5b4ed613dc26/1582214539436-LMQM5SSLA5ZUMIBP4F7O/penny4_charcoal_backgroundtexture_2.0.jpg)
A Penny4 production.
FACTUAL
PRODUCER/DIRECTOR
Cambria Bailey-Jones
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.
![penny4_charcoal_backgroundtexture_darker_1.0.jpg](https://images.squarespace-cdn.com/content/v1/58839c846b8f5b4ed613dc26/1582216282928-AA07AS2N9AO40AK8Y1YF/penny4_charcoal_backgroundtexture_darker_1.0.jpg)
A Penny4 production.
PRODUCER/DIRECTOR
Cambria Bailey-Jones
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.