Princess Aiko, the only child of Crown Prince Naruhito and Crown Princess Masako, turned 17 on Saturday, enjoying her life in high school, including attending summer school at Eton College in Britain as her first overseas stay on her own.The princess, currently a second-year student at Gakushuin Girls' Senior High School in Tokyo, played the cello during a theater performance at an arts festival, competed in basketball games and demonstrated a dance at a cultural event, according to the Imperial Household Agency.Princess Aiko also studied for around two weeks from late July at Eton College …READ FULL ARTICLE