The Church of Our Lady is the earliest church built in French High Gothic style outside France. Criterion (iv): Trier, along with Istanbul, is the example of a large Roman capital after the division of the Empire. The Igel Column survived unaltered, the Church of Our Lady replaced the south church of the Constantine Cathedral complex in the 13th century. Protection and management requirementsThe laws and regulations of the Federal Republic of Germany and the State of Rhineland-Palatinate guarantee the consistent protection of the Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier. It is presented by an advisory board, the Trier-Commission, which is continuously monitoring the Roman monuments.