Final answer:
The speaker encountered a traveller from an antique land, who narrated seeing the ruins of Ozymandias' statue, crafted by a sculptor who captured the king's passions.
Step-by-step explanation:
The speaker in the poem met a traveller who shared the account of their encounter with a massive, ruined statue in a desert. The traveller hailed from an antique land, which suggests a place with a rich and ancient history. Through the poem, we can deduce that the one who read the passions well was the c)sculptor, as it was their skill that so effectively captured the commanding presence and emotions of the statue's subject, Ozymandias.