Koch - Glitsch closed its office in Viernheim in 2009, Bentu says.
科赫-格力奇公司于2009年关闭了其菲恩·海姆的办事处。
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A white organically shaped island surrounded by transparent glass walls, witch are characterized by a monochrome overprint of the Viernheim forest.
这是一个白色像岛一样的结构，周围环绕透明的玻璃墙，墙上印有菲恩·海姆森林的图景。
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Bentu says he had been working at Koch-Glitsch in Viernheim, about 80 kilometers (50 miles) south of Frankfurt, for two months when he first saw an order destined for Iran.