Complex sentence: Built to commenerate the jubilee year of the incorporation of the town, it is best known for the natural amphitheatre in its southeastern area, which holds regular concerts and live music performances during the summer months.
Split into simpler sentences: Built to commenerate the Jubilee year of the incorporation of the town. It is best known for its natural amphitheatre located on its south eastern area which holds regular concerts and live music performances during the summer months.