with the throne of Hetoimasia and the representation of the heavenly powers: Cherubim, Seraphim and Angels. The prophets shown in medallions of 1.8 meters, hold in their hands symbolic representations, anticipating Theotokos and the foreshadowing of the incarnation of the Lord Jesus Christ. The main mosaic of the triumphal arch is Hetoimasia (gr:ἑτοιμασία), also known as the throne of the Last Judgment or the Second Coming. The scene contains: the dove of the Holy Spirit, the spear and sponge on a stick, the nails from the cross and crown of thorns. An empty throne with a Gospel Book on it, was being placed in the chamber of church councils to represent Christ, at the First Council of Ephesus in 431. The scene is inspired by the painted church exterior at Voroneţ Monastery in Romania (1547). On the mosaic Hetoimasia's edge is written: Justice and judgment are the habitation of Thy throne; mercy and truth shall go before Thy face (gr-Ps:88; en-Ps:89). Dome With total height of 135 m (ground-top cross), will become the third tallest domed church in the world, after Basilica of Our Lady of Peace and St.Peter's Basilica. Also with 127.1 meters, it has the second tallest top dome without the cross in the world, after the dome of St.Peter's Basilica. The concrete part of the dome at 106.2 meters, was completed on 24 May 2019. Cupola Christ Pantocrator dome at a height of 105.4 m from the floor of the People's Salvation Cathedral, surpasses the interior height dome of St.Peter's Basilica which has 101.8 m from the floor of the basilica. At the base, the diameter of cupola is 16.8 m inside with 18.4 m outside (concrete) and the shape is of perfect hemisphere. The belvedere dome (viewpoint for visitors at 97.8 m height from the ground) between colonnades has a diameter of 29.4 m and a circumference approximately 93 m. The roof sheet is a CuAl5Zn5 alloy (Tecu-Gold), where copper has 91.55% (99.99% purity) and 8.45% aluminium bronze, and was made by the German company KME. The copper sheet area used for the cathedral is 19,913 square meters. Iconostasis The iconostasis of the People's Salvation Cathedral, with the size of 23.8 meters length and 17.1 meters height, is the largest Orthodox iconostasis in the world. It has an area of 407 square meters, is covered with over 4 million tesserae of mosaic and weighs 8 tons