Thai King Bhumibol Adulyadej and Queen Sirikit attend the opening ceremony of The Queen Sirikit National...
Thai King Bhumibol Adulyadej (R), the world's longest-reigning monarch, and Queen Sirikit attend the opening ceremony of The Queen Sirikit National Convention Centre in Bangkok,Thailand August 29, 1991. REUTERS/Apichart Weerawong (THAILAND ROYALS)