widerrufen.
15.10 11:00
60 Min
Construction Fails
An overpass on Philadelphia's busy Interstate-95 highway is set ablaze after a tanker truck rollover. (Nat Geographic HD)
16.10 11:00
60 Min
Construction Fails
Was the tragedy of the space shuttle Columbia baked into the original design? A wave of ship strikes has bridge builders working overtime. (Nat Geographic HD)