The Canton Cement Factory (est 1907), which housed Sun Yatsen from 1923 to 1925 Canton Custom House (est 1916), one of the oldest surviving in China The old provincial capitol, now the Museum of Revolutionary History Aiqun Hotel, Guangzhou's tallest building from 1937 to 1967 . Shanghai Wikipedia . One of the newest parks is in the Xujiahui area – Xujiahui Park, built in 1999 on the ...