sentences:  In 1965, the palace was incorporated into the "Alupka Palace-Park Complex," a national historical preserve which also includes the Massandra Palace in neighboring Massandra, built in the Louis XIII château style for Russian Tsar Alexander III.Although it has survived years of wear and warfare, one of the palace's wings is now in danger of collapsing into the Black Sea below.Cracks have begun to appear in the library, housing almost 10,000 books and manuscripts.