Two graduate students have been arrested for sitting around a traditional Japanese heated table they set up at the center of a busy intersection in western Japan, police said Wednesday.Masako Ueda, a 31-year-old student at Kyoto University's graduate school, and fellow 26-year-old student Masatoshi Kato were arrested on suspicion of obstructing traffic. The motivation for their stunt is unknown.(Video footage from YouTube)On the evening of Feb. 25, Ueda and Kato allegedly set up the "kotatsu," a square table with a heater and blanket attached and common in many Japanese households, with a h…READ FULL ARTICLE