Whatever it is, it must have
A stomach that can digest
Rubber, coal, uranium, moons, poems.
Like the shark it contains a shoe.
It must swim for miles through the desert
Uttering cries that are almost human.
by Louis Simpson
PS
Don't get it wrong.
The title of the poem is "American Poetry".
One may interpret the poem as a description of American civilization, or American culture if you prefer.