The famous concrete balls lifted by Strongmen have a history rooted in Scottish stone lifting.
A pair of stones that Sterke Nils lifted in the 1700's as a test of grip strength.
The heaviest lifting stone in Japan, lifted by the strongest sumo wrestler of the Edo period.
An enormous stone said to have been lifted by 'the giant of Seljord' Sterke Nils.
A heavy Norwegian stone carried by the fisherman Eidis Hansen.