The Sherif Halil Pasha Mosque, more commonly known as the Tombul Mosque, located in Shumen, is the largest mosque in Bulgaria and one of the largest in the Balkans.
Build between 1740 and 1744, the mosque was initially located in the north-eastern Bulgarian (then Ottoman) town's centre, but is now in Shumen's south-west parts as the town centre moved as a result of the enlargement of the town. The mosque's name comes from the shape of its dome.
The mosque's complex consists of a main edifice (a prayer hall), a yard and a twelve-room extension (a boarding house of the madrasa). The main edifice is in its fundamental part a square, then becomes an octagon passing to a circle in the middle part, and is topped by a spherical dome that is 25 m above ground. The interior has mural paintings of vegetable life and geometric figures and inscriptions of Arabic, phrases from the Qur'an. The yard is known for the arches in front of the twelve rooms that surround it and the minaret is 40 m high.
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.