The Seoul Metropolitan Government said Tuesday it will deploy 6,800 safety personnel and expand traffic controls around this year's Seoul International Fireworks Festival, which for the first time will run over two days, with a preliminary program Friday and the main fireworks show Saturday. The main show begins at 8 p.m. Saturday at Yeouido Hangang Park along the Han River. The event, organized by Hanwha Corp. along with the city, typically draws more than 1 million spectators. This year's theme is "Your Infinite Colors," with teams from Korea, the United States and Britain. The city urged visitors to use public transit and avoid Yeouinaru Station, the subway stop closest to the venue, in favor of nearby Yeouido, Mapo or Saetgang stations instead. Wonhyo Bridge will be closed from 9 a.m. Saturday to 3 a.m. Sunday, and Yeouidong-ro, the road running from the southern end of Mapo Bridge to the 63 Building, will close from 3 p.m. to midnight Saturday, rerouting two dozen bus routes. Seoul Subway Line 5 will add 18 extra trips and Line 9 will add 65 during peak hours, with three to five ti