Double Ninth Festival chrysanthemum picture HD desktop wallpaper, Double Ninth Festival, the ninth day of the ninth month of the lunar calendar, the two nines coincide with each other, so it is called "Double Ninth Festival". Folks have the custom of climbing on this day, so the Double Ninth Festival is also called "Climbing Festival".The Double Ninth Festival has also been known as the Chrysanthemum Festival since ancient times. There has always been a custom of appreciating chrysanthemums. Appreciating chrysanthemums is an essential and elegant event during the Double Ninth Festival.