Complex sentence: The farmstead consists of two adjacent rounded rectangular thick walled buildings with very low doorways facing to sea, the larger and older linked by a low passageway to the other which has been interpreted as a workshop or a second house.
Split into simpler sentences: The farmstead consists of two adjacent rounded rectangular thick-walled buildings with very low doorways facing the sea. The larger and older structure is linked by a low passageway to the other building, which has been interpreted as a workshop or a second house.