Picture taken on May 24, 2018 shows a view inside passenger ferry Sewol in Mokpo, South Korea. Passenger ferry Sewol sank in waters off the country's southwestern coast on April 16, 2014, killing more than 300 people. (Photo/IC)
Picture taken on May 24, 2018 shows a view inside passenger ferry Sewol in Mokpo, South Korea. Passenger ferry Sewol sank in waters off the country's southwestern coast on April 16, 2014, killing more than 300 people. (Photo/IC)
Picture taken on May 24, 2018 shows a view inside passenger ferry Sewol in Mokpo, South Korea. Passenger ferry Sewol sank in waters off the country's southwestern coast on April 16, 2014, killing more than 300 people. (Photo/IC)
Picture taken on May 24, 2018 shows a view inside passenger ferry Sewol in Mokpo, South Korea. Passenger ferry Sewol sank in waters off the country's southwestern coast on April 16, 2014, killing more than 300 people. (Photo/IC)
Picture taken on May 24, 2018 shows a view inside passenger ferry Sewol in Mokpo, South Korea. Passenger ferry Sewol sank in waters off the country's southwestern coast on April 16, 2014, killing more than 300 people. (Photo/IC)
Picture taken on May 24, 2018 shows a view inside passenger ferry Sewol in Mokpo, South Korea. Passenger ferry Sewol sank in waters off the country's southwestern coast on April 16, 2014, killing more than 300 people. (Photo/IC)