ROUGH CUT (NO REPORTER NARRATION)<br/> <br />U.S. President Barack Obama toured a South Korean palace in Seoul on Friday (April 25) to experience Korea's traditional culture during his visit to the country.<br/> <br />His visit came amid national grief over the deadly ferry accident that has left nearly 300 people dead or missing, most of them teenagers from a same school.<br/> <br />After visiting the War Memorial of Korea in downtown Seoul and offering flowers, Obama had a brief cultural experience at the Gyeongbok Palace, the main palace of the Joseon Dynasty (1392-1910).<br/> <br />Obama brought nine ancient Korean seals with him, returning the national treasures shipped out of Korea during the 1950-53 Korean War, to South Korea.<br/> <br />Obama is set to meet South Korean President Park Geun-hye later on Friday to discuss several bilateral and regional issues with North Korean nuclear threats high on top of the agendas, which will be followed by a joint news conference.<br/> <br />Obama is in Asia for a week-