Japan's Crown Prince and Princess Akishino have planted a cherry tree in a Warsaw park to mark the 100th anniversary of diplomatic ties between Japan and Poland.
The couple visited the Botanical Garden of the Polish Academy of Sciences in the capital Warsaw on Monday as a part of centennial celebrations.
Japan's Crown Prince and Princess Akishino will officially visit Poland and Finland next month to celebrate 100 years of diplomatic ties between Japan and the European countries.
The Imperial Household Agency said it was formally decided that Crown Prince Akishino and Crown Princess Kiko will make their 10-day official trip starting June 27.
Japan's Crown Prince Naruhito marks his 59th birthday on Saturday. He will ascend to the throne on May 1st, one day after his father, Emperor Akihito, abdicates.
The Crown Prince held a news conference ahead of his birthday at his residence in central Tokyo. He said that he feels solemnity when thinking of the path he will soon be embarking upon, but said he will continue to improve himself with the deeds of previous Emperors in mind.
Japan's Prime Minister Shinzo Abe has held separate meetings with Emperor Akihito and Crown Prince Naruhito. He is believed to have briefed them on governmental preparations for the upcoming Imperial succession.
Abe met the Emperor at the Imperial Palace on Thursday to report privately on matters of state.