St. John the Baptist Church is considered to be the acme of the Yaroslavl school of architecture. It was built in 1671-1687 on the bank of Kotorosl river. Its walls and dome drums are covered with richly glazed tiles; the temple's fifteen onion domes are assembled in three groups. The 7-storey, 45-metre high bell-tower was built later than the church itself in mid-1690s. The entire interior is covered with frescoes depicting Christian saints, St. John the Baptist hagiography and biblical topics. They were painted by Dmitry Plekhanov and Fyodor Ignatyev in 1694-1695.
References:Rosenborg Palace was built in the period 1606-34 as Christian IV’s summerhouse just outside the ramparts of Copenhagen. Christian IV was very fond of the palace and often stayed at the castle when he resided in Copenhagen, and it was here that he died in 1648. After his death, the palace passed to his son King Frederik III, who together with his queen, Sophie Amalie, carried out several types of modernisation.
The last king who used the place as a residence was Frederik IV, and around 1720, Rosenborg was abandoned in favor of Frederiksborg Palace.Through the 1700s, considerable art treasures were collected at Rosenborg Castle, among other things items from the estates of deceased royalty and from Christiansborg after the fire there in 1794.
Soon the idea of a museum arose, and that was realised in 1833, which is The Royal Danish Collection’s official year of establishment.