Disco fans hit the dance floor and partied like it was 1989, reliving the glitz of the "bubble economy" heyday that defined the early years of the outgoing Heisei Era.

Tuesday night was the last chance for nostalgic Japanese to bid sayonara to the three-decade era, which ended at midnight with the abdication of Emperor Emeritus Akihito.

Emperor Naruhito's reign began Wednesday, ushering in the Reiwa Era, which is said to mean "beautiful harmony."