A Columbus resident has spent the last eight years mowing and caring for a vacant lot next to his home, unaware that the property did not belong to him. The man, an 80-year-old U.S. Army veteran, believed the lot was part of his rental home in the Hilltop neighborhood. He paid $1,300 a month in rent and assumed the adjoining land was included in the space he was responsible for. Over the years, he took full responsibility for keeping the property in shape, cutting down weeds, trim