Princess Mako, a niece of Emperor Naruhito, touched down at Tokyo's Haneda airport Monday morning, returning from an official trip to Peru and Bolivia to mark the 120th anniversary of the start of Japanese immigration to the South American countries.The 27-year-old princess, who flew from from Narita airport on July 9, attended commemoration ceremonies in Lima and Santa Cruz, met with Peruvians and Bolivians of Japanese descent, and paid courtesy calls on the presidents of the two countries during her trip.It was her first official overseas visit since Emperor Naruhito ascended to the thron…READ FULL ARTICLE