The Question and Answer section for Percy Shelley: Poems is a great resource to ask questions, find answers, and discuss the novel.
The West Wind figures prominently in Percy Shelley’s poems. The West Wind represents the power and imagination of nature. The wind in Autumn brings a chill with it: a foreshadowing of winter.
Sorry, I do not have the anthology you are referring to.
I think you are referring to the poem Ozymandias. An antique land would mean a very old land. This represents the long history as well as the mythic properties of Ozymandias.
I met a traveller from an antique land,
Who said—“Two vast and trunkless...