Galleries come and go with the changing tides of the art market. When the market booms, new galleries mushroom, but in lean times, many disappear. Chung Seung-jin, director of G Gallery in Seoul, has held on to her commitment to art, and her gallery, for the past 10 years. The gallery was first founded in 2013 in Hannam-dong, central Seoul, and moved to Cheongdam-dong, an affluent neighborhood in southern Seoul, four...