The Miraculous Church of the Savior is one of the Orthodox churches in the Russian city of Irkutsk, and it is the oldest building in Irkutsk and the oldest building in eastern Siberia, and it is one of the churches that survived from the Soviet era, and is characterized by its picturesque historical building full of external details and decorations that are dominated by pure white color with details Its interior design is characterized by absolute simplicity, as you will find a number of amazing frescoes of different sizes.