Great Saint Martin Church (in German: Gross Sankt Martin) Is One Of The Many Churches Of The Ancient German City Of Cologne In The Federal State Of Northrhine-Westphalia (Nordrhein-Westfalen). The Great Saint Martin Church Is A Romanesque Catholic Church. Founded Circa 960 AD, It Rests On The Remnants Of A Roman Chapel. The Colorful Old Houses Are Built Very Near To The Church. Photo