King Juan Carlos And Queen Sofia Attends 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos (L), Queen Sofia (C) and former President of Spain Felipe Gonzalez (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

Former President of the Government of Spain Felipe Gonzalez during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos shake hands with Juan Espadas Mayor of Seville during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

Queen Sofia attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos (L) and Queen Sofia (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

 Queen Sofia attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos (L) and Queen Sofia (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

 King Juan Carlos (L), Queen Sofia (C) President od Andalusia Susana Diaz (2nd L) Mayor of Seville Juan Espadas (2nd R) and former President of Spain Felipe Gonzalez (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

Queen Sofia attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

Queen Sofia attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

Queen Sofia attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

 King Juan Carlos attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

 King Juan Carlos attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos shake hands with Juan Espadas Mayor of Seville during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos shake hands with former President of the Government of Spain Felipe Gonzalez during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos shake hands with former President of the Government of Spain Felipe Gonzalez during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

(R) Queen Sofia looks on while King Juan Carlos shake hands with President of Andalusia Susana Diaz during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos (L), Queen Sofia (C) and former President of Spain Felipe Gonzalez (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos (L), Queen Sofia (C) and former President of Spain Felipe Gonzalez (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos (L) and Queen Sofia (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

(R) Queen Sofia with King Juan Carlos shake hands with Juan Espadas Mayor of Seville during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos shake hands with Juan Espadas Mayor of Seville while Queen Sofia shake hands with President of Andalusia Susana Diaz during the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos (L), Queen Sofia (C) President of Andalusia Susana Diaz (2nd L) Mayor of Seville Juan Espadas (2nd R) and former President of Spain Felipe Gonzalez (R) attends the 25th Anniversary Tribute Of 'Seville Universal Exhibition' on April 20, 2017 in Seville, Spain.

King Juan Carlos speaks with President of Andalusia Susana Diaz at the beginning of the commemoration of the 25th anniversary of the Seville Expo 92 on April 20, 2017. Expo 92 was held from April 20 to October 12, 1992 to celebrate 500 years since Christopher Columbus discovered America.

King Juan Carlos and Queen Sofia applaud at the beginning of the commemoration of the 25th anniversary of the Seville Expo 92 on April 20, 2017. Expo 92 was held from April 20 to October 12, 1992 to celebrate 500 years since Christopher Columbus discovered America.