Is 686 chains as long as a Giraffe?
It's about 2,500 times as tall as a Giraffe
The height of a Giraffe is about 0.280 chains.
(Giraffa camelopardalis) (Adult, average)
An adult giraffe may grow to be up to 0.30 chains tall. Adult giraffes require very little sleep, averaging just 1.9 hours per day.
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