The Cathedral of the Immaculate Conception in Moscow was designed by Tomasz Bohdanowicz-Dworzecki for Moscow's Polish parish, funded largely by parish and Catholic donations. The text gives 1894 for approval, 1899 for groundbreaking and 1901 to 1911 for construction. The infobox gives 1911 as founded, the consecration date of December 21, 1911. The text disputes whether the pinnacles were built in 1923 or 1999.
The article calls the style Neo-Gothic, influenced by Westminster Abbey and Milan Cathedral. It is unrendered red brick. The main aisle is 213 feet (65 m), and the lantern tower is 98 feet (30 m) high.
It closed in 1938 and was used as a warehouse and hostel. It was restored from 1996 to 1999, made a cathedral in 2002 and reconsecrated after reconstruction. It is an active Catholic cathedral, with services in several languages and regular organ concerts. The article gives no hours.

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