Complex sentence: This is an ancient market-hall, in Spanish called "Mercado de Abastos", on the left bank of the Zapardiel brook, was built under the Catholic Monarchs in 1500 in Renaissance style.
Split into simpler sentences: This is an ancient market-hall, in Spanish called "Mercado de Abastos". It stands on the left bank of the Zapardiel brook and was built under the Catholic Kings in 1500, in Renaissance style.