ULAANBAATAR, Mongolia, July 8 (UPI) -- Japanese Emperor Naruhito attended a welcoming ceremony and met with Mongolian President Ukhnaa Khurelsukh during his first official state visit to Mongolia on Tuesday, as the two democratic countries look to strengthen ties. Later in the afternoon, Naruhito visited a memorial for Japanese prisoners of war who died in Soviet internment camps in Mongolia. The emperor's weeklong visit comes as Mongolia -- a vibrant democracy of 3.5 million people -- seeks to