Original sentence: It involved the formal planting in the Tidal Basin of a new generation of cuttings from a famous Japanese cherry tree in Gifu Prefecture reputed to be over 1500 years old.The National Cherry Blossom Festival is an annual spring celebration in Washington, D.The two-week festival is kicked off with an opening ceremony, followed by a array of activities and cultural events.commemorating the March 27, 1912, gift to the city of Japanese cherry trees from Mayor Yukio Ozaki of Tokyo
Edited sentence: , from March 31st through April 15th, commemorating the March 27, 1912, gift to the city of Japanese cherry trees from Mayor Yukio Ozaki of Tokyo.It involved the formal planting in the Tidal Basin of a new generation of cuttings from a famous Japanese cherry tree in Gifu province reputed to be over 1500 years old.The National Cherry Blossom Festival  is an annual celebration in Washington, D.The famous trees signal the coming of spring with an explosion of life and color surrounding the Tidal Basin portion of the West Potomac Park in a sea of pale pink and white.The two-week festival is kicked off with an opening ceremony, followed by a dizzying array of activities and cultural events