Complex sentence: Wealthy people often undergo "evolution therapy," (performed in the clinics of dr. Willy Denkmal, "Denkmal" meaning "monument" in german) which allows them to skip several stages of human evolution.
Split into simpler sentences: Wealthy people often undergo "evolution therapy," performed in the clinics of Dr. Willy Denkmal (German for Monument). This allows them to skip several stages of human evolution.