evidence: Beijing's Koryo Tour said tourists could "potentially" visit other parts of North Korea in December. "Having waited for over four years to make this announcement, Koryo Tours is very excited for the opening of North Korean tourism once again," it said Wednesday on its website. [...] Pyongyang's propaganda says the mountain is where North Korea's founder Kim Il Sung battled Japanese occupation forces and launched the revolution. He is the grandfather of current president Kim Jong Un.