Complex sentence: Cadillac Place is an ornate high-rise class-A office complex in the New Center area of Detroit, Michigan constructed of steel, limestone, granite, and marble between 1919 and 1923 and was listed as a National Historic Landmark in 1985.
Split into simpler sentences: Cadillac Place is an ornate class-A high-rise office complex in the New Center area of Detroit, Michigan. It was constructed of steel, limestone, granite, and marble between 1919 and 1923 and listed as a National Historic Landmark in 1985.