In 2012, Savako had made huge sculpture "UFO" with a diameter of 8 meters, put in the interior in an assembled style. After completion of  2012,

exhibition was held at 4 places for 4 years in Japan.

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2012年に直径8.3m、高さ3.3mのアダムスキー型UFOを発表。中には反重力エンジンをイメージしたオブジェを配置。４年間の間に４箇所で展示した。