The famous Leonardo da Vinci (1425-1519), an Italian sculptor, architect, engineer and inventor, was the first to determine that the age of a tree can be determined by the years seen on the cross section of the trunk
The famous Leonardo da Vinci (1425-1519), an Italian sculptor, architect, engineer and inventor, was the first to determine that the age of a tree can be determined by the years seen on the cross section of the trunk
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2 comments
One circle, one year
now we know but long ago it was a mystery