Choi Ran and Lee Chung-hee will visit Thailand on Feb. 25 at the invitation of Thailand`s Ministry of Tourism. The two will participate as guests in a traditional Thai royal ceremony celebrating the 78th birthday of Thailand`s King Bhumibol Adulvadei as well as the 55th wedding anniversary of the king and queen.  

The ceremony will take place in Chiang Mai and last for three days starting from Feb. 26. It will be also attended by such dignitaries as Nepal`s Prince Bibek Basnat and popular Filipino actress Bernadette Allyson.