Sometime around 150-300 CE a person died at the place now called Gylland in the Gaula River valley, in southern Trøndelag county. After the body was cremated, the remains were laid in a bronze vessel. This was then covered or wrapped in birch bark before being buried under several hundred kilos of stone.
Click here for original story, Roman bronze cauldron unearthed in central Norway burial cairn
Source: Phys.org