The Church of the Ascension of Christ is a four-piered penticupolar Orthodox church erected between 1677 and 1682. The first church on the site was commissioned in 1584 by Basil Kondaki, a wealthy Greek merchant, in order to prevent the planned construction of a Lutheran church in Kondakovo. A smaller parish church is dedicated to the Presentation of Jesus at the Temple. This late Baroque building incorporates the 17th-century refectory, a survival from an earlier church. A belfry dating from 1745 was demolished in the 20th century.
The parish churches sustained damage in the Yaroslavl Revolt of 1918 and were later adapted for use by a nearby car barn. The larger church, with all the domes taken down, was used as a depot. Aleksey Soplyakov's frescoes from 1736 have all but disappeared. In the late 2000s buildings were returned to the Russian Orthodox Church and restoration work began.
References:The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.