Inui Avenue on the grounds of the Imperial Palace has been open to the public since November 25. Autumnal tints with scarlet, yellow and orange colored maple trees stand along through the 820 yard-avenue from Sakashita-Mon Gate to Inui-Mon Gate. The event of opening Inui Avenue to the public started in 2014, which commemorated 80th birthday of the former Emperor Akihito. They hold the event twice a year to share appreciation of the beauty of gorgeous cherry blossoms and colored leaves with people. Open 9am to 3pm till December 3.