Japanese Prince Akishino And Princess Mako Visit Hungary on August 20, 2017

Japan's Prince Akishino prepares to leave for Hungary from Tokyo's Haneda airport on Aug. 18, 2017, on a private trip to conduct livestock research. He will be joined by his daughter Princess Mako there ahead of her engagement in September.

Japan's Prince Akishino prepares to leave for Hungary from Tokyo's Haneda airport on Aug. 18, 2017, on a private trip to conduct livestock research.

Japanese Princess Mako is pictured at Tokyo's Haneda airport in the early hours of Aug. 19, 2017, before leaving for Hungary on a private trip. The princess will join her father Prince Akishino there.

Japanese Princess Mako is pictured at Tokyo's Haneda airport in the early hours of Aug. 19, 2017, before leaving for Hungary on a private trip. The princess will join her father Prince Akishino there.

Japanese Prince Akishino (L) and his daughter Princess Mako visit a museum in Budapest on Aug. 19, 2017

Japanese Prince Akishino (L) and his daughter Princess Mako visit a museum in Budapest on Aug. 19, 2017

Japanese Prince Akishino (L) and his daughter Princess Mako visit a museum in Budapest on Aug. 19, 2017

Prince Akishino, the 2nd son of Japan's emperor Akihito and his 1st daughter Princess Mako are seen on a local horse-carriage at Bugac Puszta, about 100 km south from Hungarian capital Budapest, on August 20, 2017 during the second day of their non-official visit in Hungary.

Prince Akishino (L), the 2nd son of Japan's emperor Akihito and his 1st daughter Princess Mako are seen on a local horse-carriage at Bugac Puszta, about 100 km south from Hungarian capital Budapest, on August 20, 2017 during the second day of their non-official visit in Hungary.

Prince Akishino (covered), the 2nd son of Japan's emperor Akihito and his 1st daughter Princess Mako (R) are seen on a local horse-carriage at Bugac Puszta, about 100 km south from Hungarian capital Budapest, on August 20, 2017 during the second day of their non-official visit in Hungary.

Prince Akishino (R), the 2nd son of Japan's emperor Akihito walks with his 1st daughter Princess Mako (L) at Bugac Puszta, about 100 km south from Hungarian capital Budapest, on August 20, 2017 during the second day of their non-official visit in Hungary.

Prince Akishino (R), the 2nd son of Japan's emperor Akihito walks with his 1st daughter Princess Mako (L) at Bugac Puszta, about 100 km south from Hungarian capital Budapest, on August 20, 2017 during the second day of their non-official visit in Hungary.

Prince Akishino (R), the 2nd son of Japan's emperor Akihito walks with his 1st daughter Princess Mako (L) at Bugac Puszta, about 100 km south from Hungarian capital Budapest, on August 20, 2017 during the second day of their non-official visit in Hungary.

Prince Akishino, the 2nd son of Japan's emperor Akihito looks at the Hungarian mangalica pig-family with his 1st daughter Princess Mako at Bugac Puszta, about 100 km south from Hungarian capital Budapest, on August 20, 2017 during the second day of their non-official visit in Hungary.

Japanese Prince Akishino and his daughter Princess Mako visit a breeding farm of local pigs in Bugac, Hungary, on Aug. 20, 2017

Princess Mako of Akishino is seen on departure at Haneda International Airport on August 19, 2017 in Tokyo, Japan.

Princess Mako of Akishino is seen on departure at Haneda International Airport on August 19, 2017 in Tokyo, Japan.

Princess Mako of Akishino is seen waves during her departure at Haneda International Airport on August 19, 2017 in Tokyo, Japan.

Prince Akishino and Princess Mako of Akishino are seen at the Budapest Ethnographic Museum on August 19, 2017 in Budapest, Hungary.

Prince Akishino and Princess Mako of Akishino are seen on arrival at Haneda International Airport on August 23, 2017 in Tokyo, Japan.

Prince Akishino and Princess Mako of Akishino are seen on arrival at Haneda International Airport on August 23, 2017 in Tokyo, Japan.