Japan's oldest plow unearthed in Shiga Pref.

OTSU, Japan - A plow believed to be the oldest harrow in Japan was unearthed on May 11 at a ruin in the town of Notogawa in Shiga Prefecture, western Japan. Experts believe the harrow, which has a 70-centimeter-long base of Japanese cypress and three 50 cm-long oak tines, was used in the late fourth to early fifth centuries. The photo was provided by the Notogawa town education board.