sentences:  It was not until after Mao died that his wife went to Taiwan in 1971 from America to bring the artifacts to Chiang Kai-shek, who turned them over to the National Palace Museum.The National Palace Museum's main building in Taipei was designed by Huang Baoyu and constructed from March 1964 to August 1965.Due to the insufficient space to put on display over 600,000 artifacts, the museum underwent expansions in 1967, 1970, 1984 and 1996.