Complex sentence: Two lighthouses sit on the headlands on either side of the bay, La Badia de Sóller, and development on the east headland has been prevented by this land's use as training ground by the Spanish Army.
Split into simpler sentences: Two lighthouses sit on the headlands on either side of the bay, La Badia de Sóller. Development on the east headland has been prevented by this land's use as a training ground by the Spanish Army.