The world's oldest wheel found at the Ljubljana Marshes in 2002 is 5,200 years old, according to radiocarbon dating. The wheel with a radius of 70 cm is on display at the City Museum of Ljubljana, 2013. +
The world's oldest wheel found at the Ljubljana Marshes in 2002 is 5,200 years old, according to radiocarbon dating. The wheel with a radius of 70 cm is on display at the City Museum of Ljubljana, 2013. +