Image of the Day: Colossal Vigorous on Blue Marlin’s Back

The heavy lift vessel Blue Marlin passes under the Astoria-Megler Bridge on its transit to deliver Vigorous, the largest floating dry dock in the USA, to Vigor Industrial in Portland, Oregon, August 24, 2014. The Blue Marlin is a 738-foot semi submersible heavy lift vessel from the Netherlands designed to transport large oilrigs.