"The best thing is to not overdo," Koide, who officially received the "world's oldest man" title from Guinness World Records on Friday, told The Associated Press. The former tailor received a plaque and vase as three of his seven children, two of his nine grandchildren and one great-grandchild looked on.

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– The Associated Press contributed to this report.

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Waymo autonomous vehicles operate across 65 square miles inside I-285 and have been involved in six incidents with Atlanta Public School buses since May. Waymo issued a recall because of their cars briefly stopping or slowing down before continuing forward while a bus was stopped and flashing its lights. (Courtesy of Atlanta Public Schools)

Credit: Courtesy of Atlanta Public Schools