To mark the 122nd birthday anniversary of Somdet Phra Srinagarindra Boromrajajonani, the late Princess Mother, revered across the nation as Somdet Ya, Siam Paragon is holding "The 25th edition Of Remembering Of Somdet Ya And The 50th Anniversary Of Mae Fah Luang Foundation" exhibition, at the Fashion Hall on the 1st floor, until Oct 24.