![Shell launches bid to leave massive, sludgy oil rig remnants in North Sea for 500 years | The Independent | The Independent Shell launches bid to leave massive, sludgy oil rig remnants in North Sea for 500 years | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2017/02/07/18/brentbravo.jpg?quality=75&width=1200&auto=webp)
Shell launches bid to leave massive, sludgy oil rig remnants in North Sea for 500 years | The Independent | The Independent
![Inside one of the hollow legs of the Troll A Oil Platform, the tallest and heaviest structure moved by man. (472m) : r/megalophobia Inside one of the hollow legs of the Troll A Oil Platform, the tallest and heaviest structure moved by man. (472m) : r/megalophobia](https://preview.redd.it/sl8ttisd9xv31.png?width=640&crop=smart&auto=webp&s=b16446a82e20cbfdaff81f9ee93f6b44ad6f744c)
Inside one of the hollow legs of the Troll A Oil Platform, the tallest and heaviest structure moved by man. (472m) : r/megalophobia
![Offshore and Oil Jack-up Platform with Three Structure Leg and Ladder Editorial Image - Image of background, huge: 178734100 Offshore and Oil Jack-up Platform with Three Structure Leg and Ladder Editorial Image - Image of background, huge: 178734100](https://thumbs.dreamstime.com/z/offshore-oil-jack-up-platform-three-structure-leg-ladder-offshore-oil-jack-up-platform-three-leg-178734100.jpg)