They had horses - Uffington.

Bullocks are more or less the same process.

I sent some bullshit to ResonanceFM recently - I thought they could auction it !

I've sent some to a great art gallery in Manchester previously.

If you're pulling rocks with a gang of people or draft oxen the 'centre of movement' - the height of the string off the ground - is about the same. I suspect that oxen may have been used to lug distance and gangs for precision placement ! Doesn't answer why, though.

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