THE subway rumbled toward its final stop north of Seoul. Along the way, hordes disembarked, with the determined, brisk gait of those with somewhere to be.
For South Korea s senior subway riders, the joy is in the journey bostonglobe.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bostonglobe.com Daily Mail and Mail on Sunday newspapers.