[oonerspism]

Not to be flippant, but it's fascinating to think how an average airline passenger may trivially (and very approximately!) match or even beat such a land-based record simply by looking out the window at 40,000ft. *about twice Kilimanjaro's elevation, for the record.

Many semantics potentially apply, of course! But the principle is there. The principle that, for many decades now, humans have been matching the entire planet's largest natural viewshed, as a trivial matter of course during the everyday usage of technology, and barely even noticing most of the time...