The oldest bonsai in this collection is over a 100 years old. Imagine training a bonsai continually for so long, the steady care and attention required across multiple generations…

Not that different to our two year old tortoise, who still has another 100+ years to go.

Jonathan is quite a lot older than your lower bound: https://en.wikipedia.org/wiki/Jonathan_(tortoise) and still going!

Rumours of his death are greatly exaggerated.