Tilted towers: The secrets beneath the world’s leaning buildings

Although most famous leaning towers are historical structures, even modern buildings can start to tilt — and it’s a difficult problem to fix.

​CNN.com – RSS Channel Although most famous leaning towers are historical structures, even modern buildings can start to tilt — and it’s a difficult problem to fix. 

​Read More Although most famous leaning towers are historical structures, even modern buildings can start to tilt — and it’s a difficult problem to fix.