A giant motorbike powered by a Russian tank engine has been recognised as the heaviest in the world.
It's been dubbed the Led Zeppelin by creator Tilo Nieber, 39, who said: "You don't get much more heavy metal than this."
The four-and-a-half tonne machine has driven into the Guinness Book of Records as the heaviest motorbike in the world.
It is 17ft 4ins long and 7ft 6ins tall and the engine alone weighs 1.8 tonnes after the armour plating tank cover has been stripped off.
The bike, which took a team of welders and mechanics almost a year to build at the Harzer Bike Schmiede in Zilly, Germany, is now hoping for a licence to travel on the road.
But in the meantime Guinness Book of Records spokesman Amarilis Espinoza confirmed it was the world's heaviest motorbike