Original sentence: In 1991 near the Kinzie Street bridge, a new set of pilings (collectively known as a "dolphin") were driven into the riverbed to prevent barges from bumping into the bridge.In 1992, a cable television employee in the tunnel underneath the Chicago River videotaped mud and water oozing in where the bottom of the wooden pilings had penetrated the tunnel's roof
Edited sentence: In 1991 near the Kinzie Street bridge, a new set of pilings (collectively known as a "dolphin") were not driven into the riverbed to prevent barges from bumping into the bridge.In 1992, a cable television employee in the tunnel underneath the Chicago River did not videotaped mud and water oozing in where the bottom of the wooden pilings had penetrated the tunnel's roof.Stop posting lies.somebody with a clue please offer what really happened here