"05 DECEMBER 2013 - BANGKOK, THAILAND:  People sign a book sending birthday greetings to Bhumibol Adulyadej, the King of Thailand, at Hua Lamphong Train Station in Bangkok on the  King's 86th birthday. Dec. 5, the King's Birthday, is a national holiday in Thailand, and is also celebrated as the country's ""Fathers' Day."" The State Railways of Thailand put on special trains to take people to the King's ""Summer Palace"" in the oceanside community of Hua Hin where the King granted a public audience. There were also merit making ceremonies throughout the country.  Many people wear yellow on the King's Birthday because yellow is the color associated with his reign. As of 2013, he was the longest reigning monarch in the world.          PHOTO BY JACK KURTZ"
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