Containment dome to collect leaking oil in Gulf of Mexico

Engineers in Louisiana have assembled a 74-ton concrete-and-steel containment dome to be lowered into the sea to collect and prevent the spread of the gushing oil in the Gulf of Mexico.

Engineers in Louisiana have assembled a 74-ton concrete-and-steel containment dome to be lowered into the sea to collect and prevent the spread of  the gushing oil in the Gulf of Mexico.