A nice UNESCO cover from Romania, depicting a joint set with Russian Federation issued in 2008 on topic "UNESCO Churches in Romania and Russia" and a single stamp issued in 2011 celebrating the fortified church of Biertan. Both churches Voronet and Biertan) are part of the UNESCO World Heritage site called "Villages with fortified churches in Transylvania". This site comprises seven villages with fortified churches that were built between the 13th and the 16th centuries by Transylvanian Saxons. The settlement pattern and the organization of the villages have been preserved since the Middle Ages. Six villages (Câlnic, Dârjiu, Prejmer, Saschiz, Valea Viilor, and Viscri) were listed in the original nomination in 1993 while the village of Biertan was added in 1999. Also the Saint Demetrius Church is depicted in one stamp - the Cathedral of Saint Demetrius ) is a cathedral in the ancient Russian city of Vladimir. It was finished in 1197 during the reign of the Grand Prince Vsevolod the Big Nest of Vladimir-Suzdal to the honour of Saint Demetrius of Thessaloniki. Being an important component of the White Monuments of Vladimir and Suzdal, the cathedral belongs to the World Heritage of UNESCO since 1992. Currently, the cathedral is a part of the Vladimir-Suzdal open-air museum.
