tiompan wrote:
Don't buy the McCafferty comet/climate change = religion/monument change etc theory though .
Certainly food for thought. I actually thought it's quite plausible, but (obviously) completely unprovable. Something changed something. It's as good as any other theory.
However, all the talk was of passage tombs. Nothing about wedge, portal and court tombs, which predate the big passage tombs. Why did those style go out of fashion?