What is the 'korsi' around which Iranian families traditionally gathered on cold winter nights?

• A A charcoal samovar for brewing tea
• B A round felt rug laid by the door
• C A tiled stove built into the wall
• D A low table over a heater, draped with thick quilts ✓

Family members sit with their legs under the korsi's blankets, sharing warmth, food and stories.