New York, UN Friedensglocke schlagt zum Weltfriedenstag (180921) -- UNITED NATIONS, Sept. 21, 2018 -- United Nations Messenger of Peace Princess Haya Bint Al Hussein of Jordan attends the peace bell ceremony on the occasion of the 37th anniversary of the International Day of Peace at the UN headquarters in New York, on Sept. 21, 2018. United Nations Secretary-General Antonio Guterres said Friday that peace is the unifying concept that brings us together at the United Nations. ) UN-INTERNATIONAL DAY OF PEACE-PEACE BELL CEREMONY LixMuzi PUBLICATIONxNOTxINxCHN

Britain's Prince Charles and his wife, Camilla, The Duchess of Cornwall and Princess Haya of Jordan, right, visit the International Humanitarian City in Dubai, United Arab Emirates, Tuesday, Nov. 8, 2016. (AP Photo/Kamran Jebreili)

Prince Charles (L) and Camilla, Duchess of Cornwall (R), are received by Princess Haya bint al-Hussein (C), wife of the ruler of Dubai, at the Dubai Humanitarian International City, during their three-day tour of the UAE on November 8, 2016. / AFP PHOTO / STRINGER

Prince Charles (L) and Camilla, Duchess of Cornwall (C), are received by Princess Haya bint al-Hussein (R), wife of the ruler of Dubai, at the Dubai Humanitarian International City, during their three-day tour of the UAE on November 8, 2016. / AFP PHOTO / STR

Britain's Queen Elizabeth II, right, greets Sheikh Mohammed Bin Rashid Al Maktoum, UAE Vice President and the Ruler of Dubai and his wife Princess Haya of Jordan in the royal box on the second day of the Royal Ascot horse race meeting at Ascot, England, Wednesday, June, 15, 2016. (AP Photo/Alastair Grant)

Britain's Queen Elizabeth II, right, greets Sheikh Mohammed Bin Rashid Al Maktoum, UAE Vice President and the Ruler of Dubai and his wife Princess Haya of Jordan in the royal box on the second day of the Royal Ascot horse race meeting at Ascot, England, Wednesday, June, 15, 2016. (AP Photo/Alastair Grant)

Roma 19/11/2014 FAO - FAO Director-General Jose' Graziano Da Silva meeting with Princess Haya Bint Al Hussein UN Messenger of Peace, President of International Equestrian Federation. Second International Conference on Nutrition (ICN2), FAO Headquarters. PUBLICATIONxNOTxINxITAxFRA andreaxstaccioli

Princess Haya of Jordon, Ladies Day at Royal Ascot is traditionally seen as the height of English ladies fashion. Ascot, Berkshire. England. 20-6-2013. Credit: Micheal Webberley/iPhoto/face to face - Germany, Austria, Switzerland and Eastern European rights only - fot. Face to Face/REPORTER

Princess Haya of Jordan, left, talks to Britain's Princess Anne in the parade ring on the third day of Royal Ascot horse race meeting at Ascot, England, Thursday, June 21, 2012. (AP Photo/Alastair Grant)

United Arab Emirates' Sheikh Mohammed Al Maktoum, right, and wife Princess Haya of Jordan are seen in the parade ring on the third day of Royal Ascot horse race meeting at Ascot, England, Thursday, June 21, 2012. (AP Photo/Alastair Grant)

Sheikha Haya Bint al-Hussein, wife of Sheikh Mohammed Bin Rashild al-Maktoum, ruler of Dubai, and her daughter al-Jalila attend the WTA final match of the Tennis Open Championship between Angieszka Radwanska of Poland and Julia Georges of Germany. Radwanska clinched her eighth career title courtesy of a 7-5, 6-4 win over Goerges in the final of the Dubai Open. AFP PHOTO/KARIM SAHIB

Sheikha Haya Bint al-Hussein, wife of Sheikh Mohammed Bin Rashild al-Maktoum, ruler of Dubai, and her daughter al-Jalila attend the WTA final match of the Tennis Open Championship between Angieszka Radwanska of Poland and Julia Georges of Germany. Radwanska clinched her eighth career title courtesy of a 7-5, 6-4 win over Goerges in the final of the Dubai Open. AFP PHOTO/KARIM SAHIB

Dubai Tennis Championships 2012, WTA Tennis Turnier, International Series, Dubai Tennis Stadium, U.A.E., Finale, Siegerehrung, Prasentation, Prinzessin Haya Bint Al Hussein und ihre Tochter Sheikha Al Jalila Bint Mohammed Bin Rashid Al Maktoum

Dubai Tennis Championships 2012, WTA Tennis Turnier, International Series, Dubai Tennis Stadium, U.A.E., Finale, Siegerehrung - Prinzessin Haya Bint Al Hussein und ihre Tochter Sheikha Al Jalila Bint Mohammed Bin Rashid Al Maktoum bei der Siegerehrung

Sheikha Haya Bint al-Hussein, wife of Sheikh Mohammed Bin Rashild al-Maktoum, ruler of Dubai, and her daughter al-Jalila attend the WTA final match of the Tennis Open Championship between Angieszka Radwanska of Poland and Julia Georges of Germany. Radwanska clinched her eighth career title courtesy of a 7-5, 6-4 win over Goerges in the final of the Dubai Open. AFP PHOTO/KARIM SAHIB

Dubai Tennis Championships 2011, WTA Tennis Turnier, International Series - Dubai U.A.E. - Prinzessin Haya Bint Al Hussein von Jordanien

Genf (SUI) Palexpo-Halle 15.04.2010 - Weltcupfinale Springen Zeitspringen/erste Wertungsprufung, hier FEI-Prasidentin Prinzessin Haya bint al Hussein von Jordanien

Genf (SUI) Palexpo-Halle 15.04.2010 - Weltcupfinale Springen Zeitspringen/erste Wertungsprufung, hier FEI-Prasidentin Prinzessin Haya bint al Hussein von Jordanien beim Gruppenfoto mit Reitern

25.03.2010, Dubai, Vereinigte Arabische Emirate - Sheikh Mohammed bin Rashid al Maktoum (rechts) und seine Frau Princess Haya Bint Al Hussein. (QF, Portrat, Pers?nlichkeit, Reprasentant, Staatsfuhrung, Prasidentin) 00S100325D046.JPG MODEL RELEASE: NO, PROPERTY RELEASE: NO MR:N

Prinzessin Haya bint al Hussein von Jordanien (Ehefrau von Premierminister Scheich Mohammad bin Rashid al Maktoum) anlasslich des - Barclay Dubai Tennis Championships - (ATP Tennisturnier) in Dubai

Prinzessin Haya Bint al Hussein von Jordanien (JOR/Prasidentin des Weltverbands FEI) anlasslich der Europameisterschaft der Springreiter in Mannheim

Prinzessin Haya Bint al Hussein von Jordanien (JOR/Prasidentin des Weltverbands FEI) anlasslich der Europameisterschaft der Springreiter in Mannheim

Scheich Mohammad bin Rashid al Maktoum (VAE/Premierminister Dubai) mit seiner Ehefrau Prinzessin Haya bint al Hussein anlasslich des Pferderennens - Dubai World Cup - in Dubai PUBLICATIONxNOTxINxJPN

Prinzessin Haya Bint al Hussein von Jordanien (JOR) anlasslich der - Cartier International Dubai Polo Challenge - in Dubai

Prinzessin Haya Bint al Hussein von Jordanien (JOR) anlasslich der - Cartier International Dubai Polo Challenge - in Dubai

Prinzessin Haya Bint al Hussein von Jordanien (JOR) anlasslich der - Cartier International Dubai Polo Challenge - in Dubai

Prinzessin Haya Bint al Hussein von Jordanien (JOR/Prasidentin FEI) zu Besuch beim paralympischen Komitee in Bonn

Prinzessin Haya Bint al Hussein von Jordanien (JOR/Prasidentin FEI) zu Besuch beim paralympischen Komitee in Bonn

Prinzessin Haya Bint al Hussein von Jordanien (JOR/Prasidentin FEI) zu Besuch beim paralympischen Komitee in Bonn