Photo taken December 2, 2008 shows Thai King Bhumibol Adulyadej (R) sitting next to Queen Sirikit (unseen) during a review of the honor guard as a part of the celebration to commemorate his 81th birthday at the Royal Plaza in Bangkok. Thailand's revered King Bhumibol Adulyadej is "mildly" sick and cannot deliver his annual birthday-eve speech, the crown prince said on December 4. "His Majesty the King is mildly sick," Crown Prince Maha Vajiralongkorn said on national radio.