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Netherlands' Queen Maxima (C) speaks during a press conference in Hanoi on May 31, 2017. The Queen is on a three-day official visit in the capacity of the United Nations' Secretary General's Special Advocate for Financial Inclusion (UNSCSA). / AFP PHOTO / HOANG DINH NAM (Photo credit should read HOANG DINH NAM/AFP via Getty Images)

Netherlands' Queen Maxima (C) speaks during a press conference in Hanoi on May 31, 2017.
The Queen is on a three-day official visit in the capacity of the United Nations' Secretary General's Special Advocate for Financial Inclusion (UNSCSA). / AFP PHOTO / HOANG DINH NAM        (Photo credit should read HOANG DINH NAM/AFP via Getty Images)

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HANOI, VIETNAM - JUNE 01: Queen Maxima of The Netherlands attend the press briefing at the State Bank on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)

HANOI, VIETNAM - JUNE 01:  Queen Maxima of The Netherlands attend the press briefing at the State Bank on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)

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HANOI, VIETNAM - JUNE 01: Queen Maxima of The Netherlands receives an photobook of her visit to Vietnam from State Bank governor Nguyen Thi Hong during the press briefing at the State Bank on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)

HANOI, VIETNAM - JUNE 01:  Queen Maxima of The Netherlands receives an photobook of her visit to Vietnam from State Bank governor  Nguyen Thi Hong during the press briefing at the State Bank on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)

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HANOI, VIETNAM - JUNE 01: Queen Maxima of The Netherlands attend the press briefing at the State Bank on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)

HANOI, VIETNAM - JUNE 01:  Queen Maxima of The Netherlands attend the press briefing at the State Bank on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)

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HANOI, VIETNAM - JUNE 01: Queen Maxima of The Netherlands visits vice prime minister Vuong Dinh Hue on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)

HANOI, VIETNAM - JUNE 01:  Queen Maxima of The Netherlands visits vice prime minister Vuong Dinh Hue on June 01, 2017 in Hanoi, Vietnam. Queen Maxima is in Vietnam for an three day visit in her capacity as United Nation's Secretary-Generals Special Advocate for Inclusive Finance for Development. (Photo by Patrick van Katwijk/Getty Images)