Down in a basement level off a Mangwon-dong alley, this high-end vintage archive keeps its lighting low, like a small exhibition hall. Clocks, lamps, and porcelain figures — each hand-picked from Germany, Italy, the UK, and France — fill the cases with objects layered in time. Shapes you won't find anywhere else catch the eye: a glass pendant light shaped like a jellyfish, a porcelain trinket box modeled after a pierrot. Open only Friday through Sunday, and only briefly, a single visit here feels like something to hold onto. On a day you want to give a space some character with an object from another era, it's worth heading down TimeMushroom's basement stairs. Focus Item — Jellyfish pendant light. Its soft, drooping glass shade takes the shape of a jellyfish — a form found nowhere but TimeMushroom.