ELI5: Why haven’t we fully explored the pyramids yet?

https://lemmy.world/post/347057

ELI5: Why haven’t we fully explored the pyramids yet? - Lemmy.world

I was watching a documentary where they were talking about a void within the great pyramid and how we don’t know what’s inside it! How come we haven’t we been in and had a nose around?

Because why? The pyramids are not a fun park or escape room, they are a piece of art. How would you feel if we'd tear Mona Lisa apart to check if there's some older painting below the outside layer and the canvas?
If we could do it without hurting the painting any further and still learn more about then I'd be all for it. Kinda... like this
A Hidden Drawing Lies Beneath the 'Mona Lisa,' New Ultra-High-Resolution Images Reveal | Artnet News

A new high-tech study of Leonardo da Vinci's 'Mona Lisa' suggests that the Renaissance master made the painting using a preparatory sketch.

Artnet News
Yeah, that's what I was referring to. Is it worth it to destroy the Mona Lisa (the outer paint layer) just to see if there's something underneath?