Britain's Queen Elizabeth II (L) poses for a photograph with Singapore's President Tony Tan Keng Yam (R) before a State Banquet at Buckingham Palace in London on 21 October, 2014. Singapore's President Tony Tan Keng Yam began the first full day of engagements in the first state visit by a Singaporean president to Britain. AFP PHOTO / JUSTIN TALLIS / POOL / AFP PHOTO / POOL / JUSTIN TALLIS        (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)