The earlier thread: Show HN: I 3D scanned the interior of the Great Pyramid at Giza - https://news.ycombinator.com/item?id=33357197 - Oct 2022 (280 comments)
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meta note - thanks to the reader who emailed us to nominate this submission for the second-chance pool (see https://news.ycombinator.com/item?id=26998308 and https://news.ycombinator.com/pool) - it was a good one!
All are welcome to send such suggestions. Our favorite suggestions are the ones with no personal connection to the post, other than that you just ran across it and found it interesting.