According to Guinness World Records, this offshore gas platform is the "tallest structure ever moved by humans over the surface of the earth." It weighs a hefty 1.2-million tons. Click here for first picture in gallery.
..following construction, over a period of 7 days, 'troll a' was towed from rogaland in norway to the troll gas field in the north sea - a total of 174 nautical miles[via Deputy-dog]
