The principal or Jordan Staircase of the Winter Palace, St Petersburg is so called because on the Feast of the Epiphany the Tsar descended this imperial staircase in state for the ceremony of the "Blessing of the Waters" of the Neva River, a celebration of Christ's baptism in the Jordan River. The staircase is one of the few parts of the palace retaining the original 18th-century style. The massive grey granite columns, however, were added in the mid 19th century.
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