Complex sentence: The Old Hospital of Arles, also known as Hôtel-Dieu-Saint-Espirit, built in the 16th and 17th centuries, main entrance was on Rue Dulau in Arles.
Split into simpler sentences: The Old Hospital of Arles, also known as Hôtel-Dieu-Saint-Espirit, was built in the 16th and 17th centuries. Its main entrance was on Rue Dulau in Arles.