State Visit Of The President Of United Mexican States - Day 1

LONDON, ENGLAND - MARCH 03: Home Secretary Theresa May, (L) Deputy Prime Minister Nick Clegg (C) and Prime Minister David Cameron (R) arrive for a Ceremonial Welcome for the President of Mexico, Enrique Pena Nieto and his wife Angelica Rivera at Horse Guards Parade on March 3, 2015 in London, England. The President of Mexico, accompanied by Senora Angelica Rivera de Pena, are on a State Visit to the United Kingdom as the guests of Her Majesty The Queen from Tuesday 3rd March to Thursday 5th March. (Photo by Leon Neal - WPA Pool /Getty Images)