Exactly six months until the opening ceremony of the Tokyo Olympics, organizers shot off fireworks and lit up the city's new five-ringed Olympic monument Friday.With preparations largely on track and public interest in the games building despite remaining challenges, Tokyo Gov. Yuriko Koike marked the occasion at a ceremony that included five minutes of fireworks and both Tokyo Tower and Tokyo's Rainbow Bridge bathed in multicolored lights."The torch relay will start in March," Koike said. "And though the next six months are going to go by in the blink of an eye, please cooperate for the ga…READ FULL ARTICLE