The Kazan Church is one of the most prominent churches and monuments in the city of Irkutsk, and is characterized by its large and impressive construction that will take you to old and medieval Moscowز It is an unparalleled masterpiece of brick red color with domes decorated in blue. The church is also famous for its five-ton bells, which emit a high buzz compared to the rest of the churches. Inside, it is adorned with its giant frescoes, elaborate golden columns and chandeliers. drop down.