Complex sentence: The village was constructed as a monastery and turned into a castle in the Daher El-Omar era, parts of the castle are still standing (so are the walls and the old village church and mosque) and it is considered a tourists attraction.
Split into simpler sentences: The village was constructed as a monastery and turned into a castle in the Daher El-Omar era. Parts of the castle are still standing, as are the walls and the old village church and mosque, and it is considered a tourists attraction.