Holy Trinity Cathedral, Ruse

The Holy Trinity Cathedral is a Bulgarian Orthodox cathedral in the city of Ruse, Bulgaria on the Danube river. It stands next to the modern day opera house. Built beneath the ground in 1632, it is the oldest church in the city and was constructed during the period of Ottoman occupation. As it keeps the holy relics of a number of saints, Ruse's cathedral is often visited by pilgrims. Its rich history and underground interior also pose an interest for tourists, making it one of the main attractions of the city. As one of the oldest buildings in Ruse, the Holy Trinity Cathedral was declared a cultural monument of national importance in 1983. It is continually cared for and maintained in order to be preserved for generations to come.