The Roman Forum is a plaza which was the political, economic and religious center of Rome from the sixth century B.C. to the late third century A.D.〔【出典】Catch a Wave, 2013年2月8日号◆【出版社】株式会社浜島書店 〕
Similar patterns are seen on local earthenware made between 100 B.C. and 600 A.D. The newly discovered figures were probably made during that period, like many of the other geoglyphs in the region.〔【出典】Catch a Wave, 2006年4月28日号◆【出版社】株式会社浜島書店 〕