The 600 years of a city has a kind of color, spanning 600 years, but remains as fresh as ever.The much-anticipated Forbidden City 600-year-old exhibition is finally here!The exhibition, titled "Dan Chen Yonggu: Six Hundred Years after the Forbidden City was Built," will open at the Palace Museum's Meridian Gate Exhibition hall from Sept. 10 to Nov. 15.Break the barrier of time and space, a look back over 600 years, what metamorphosis and condensing time precipitation?Let's meet in the Palace Museum to see the purple gas coming from the east, the Forbidden City flowers and willow, the golden period in the new city, six contracts, one hundred years and one thousand years.