Well-wishers hold pictures of Thai King Bhumibol Adulyadej and wave Thai national flags as they gather to celebrate his 86th birthday near Klai Kangwon Palace, Hua Hin, Prachuap Khiri Khan province, Dec 5, 2013. Thailand's revered King Bhumibol Adulyadej called on his people to do their duty for the security of the country in a birthday address on Thursday but he avoided making direct reference to the latest political turmoil. Thailand's King Bhumibol, the world's longest reigning monarch celebrates his 86th birthday on Thursday. [Photo/Agencies]