Yu told BI she spent 50 years traveling to every country in the world. Yu said she worked two jobs at a hospital and was a part-time travel agent to afford her trips. And in November, Yu visited Serbia, completing her five-decade-long mission of visiting every country in the world. And although it took Yu a long time to complete visiting every UN member state, she said the journey was well worth it. While Yu spent half a century traveling to every UN member state, several people have accomplished the same feat before turning 30 in recent years.

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Persons: Luisa Yu, Yu, —, she's, Louis Organizations: United Nations, Service, Greyhound, UN Locations: Dubai, Angola, Vanuatu, Serbia, Philippines, St, Miami, Somaliland, South Sudan, lounged, South, Kiribati, Connecticut