How Do Engineers Build Safe Bridges?

https://www.youtube.com/watch?v=Bt7bdinnk7I


Richard Hammond reveals how engineers made one of the longest bridges in the world earthquake-proof
https://www.youtube.com/watch?v=dQf_vE7tOlw

Rio Antirio Bridge

https://www.youtube.com/watch?v=yIqfMlrUoxw