Complex sentence: Widely planted across the Alentejo wine region today (having grown exponentially in popularity from the late 1990s) it is frequently expensive, top-end wines are prized for their'size', dense colour and phenolic content.
Split into simpler sentences: Widely planted across the Alentejo wine region today (having grown exponentially in popularity from the late 1990s) it is frequently expensive. These top-end wines are prized for their'size', dense colour and phenolic content.