By Park Sae-jinPosted : September 16, 2015, 16:41Updated : September 16, 2015, 16:41
A man climbs book-themed stairs at Gwanghwamun Station on Seoul subway line 5 in central Seoul, Tuesday. Seoul Metro, the operator of Seoul subway lines 5 to 8, installed book-themed stairs in stations across Seoul, as part of plans to encourage subway users to read more books.