Big, Bigger, Biggest

How did bridges evolve in size from tiny bamboo walkways spanning streams to long suspension bridges connecting distant islands? How did buildings surge in stature from ground-hugging houses to cloud-busting skyscrapers? We reveal evolutionary engineering leaps that enabled different types of structures to explode from big to bigger to biggest.

Track
1 trackers | Status: Ended | Airs on National Geographic (US) | Thursday 7:00 PM