How would you write an explanation for "Ozymandias"?

This incredibly famous poem is a very haunting mediation
on the ephemeral nature of human power and glory. The first speaker quotes a traveller
wondering in the desert who discovered the vestiges of a monument that was dedicated to
Ozymandias, who was obviously a Pharaoh of ancient Egypt. It is the traveler who shares
what was written on the monument:

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"My name is Ozymandias, king of
kings,

Look on my works, ye Mighty, and
despair!"

However, it becomes
self-evident that this is incredibly ironic: the only "works" that can be seen around
are sand and desolation. The vanity of human ambition is thus starkly highlighted. The
only remnant of the once-powerful empire of Ozymandias is the shattered statue, the
ironic inscription and the "sneer of cold command" that is presented on the face of the
statue. Shelley uses Ozymandias as an example to show how even art will suffer the same
fate as Ozymandias. Even the unknown sculptor's "art" will be eventually erased by the
desert sand and thus the artist's own bid for immortality will end in the same way as
the bid of Ozymandias for eternal power. The last three lines offer a profound
meditation on what awaits such power-hungry individuals as
Ozymandias:

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Nothing beside remains.
Round the decay

Of that colossal wreck, boundless and
bare

The lone and level sands stretch far
away.

Dust is all we can hope
for in our future, as Shelley's own form of "art" tells us.