However, Shenyang retained considerable importance as the secondary capital and the spiritual home of the Qing dynasty through the centuries.[1] Treasures of the royal house were kept at its palaces, and the tombs of the early Qing rulers were once among the most famous monuments in China. In 1657, Fengtian Prefecture (奉天府; Fèngtiān Fŭ; Manchu: ᠠᠪᡴᠠᡳ ᡳᠮᡳᠶᠠᠩᡤᠠ ᡶᡠ; Möllendorff: abkai imiyangga fu; Abkai: abkai imiyangga fu or Manchu: ᡶᡠᠩ ᡨᡳᠶᠠᠨ; Möllendorff: fung tiyian; Abkai: fung tiyian) was established in the Shenyang area, and Fengtian (lit. 'mandated by Heaven') was sometimes used synonymously with Shenyang/Mukden.[19]