
The metal frame of a birdcage inspired architect William Le Baron Jenney to use a similar framework when designing the first modern skyscraper (Artokoloro/Alamy Stock Photo)
Artokoloro/Alamy Stock Photo
The metal frame of a birdcage inspired architect William Le Baron Jenney to use a similar framework when designing the first modern skyscraper (Artokoloro/Alamy Stock Photo)
Artokoloro/Alamy Stock Photo