Japanese Emperor Naruhito and Empress Masako have accepted an invitation from Queen Elizabeth II to make a state visit to Britain this spring, Buckingham Palace said Tuesday.It will be the first overseas trip by the imperial couple since Emperor Naruhito's enthronement in May. The emperor and empress will stay at Windsor Castle, according to Buckingham Palace.Japan's Chief Cabinet Secretary Yoshihide Suga also confirmed the plan, saying that preparations will be made for their visit between April and June. No further details were provided."Exchanges between the imperial family and the Briti…READ FULL ARTICLE