A Roomba for cows: Lely Robotic Barn Cleaner(youtube.com)1 points·by Muzza·15 ปีที่แล้ว·0 commentsyoutube.comA Roomba for cows: Lely Robotic Barn Cleanerhttp://www.youtube.com/watch?v=bphBIwv5Vp80 commentsPost comment—