Christian Sieger (left) and Michael Sieger (right); their firm's headquarters, Harkotten Castle, located in Sassenberg, Germany.  Photo 4 of 4 in ABCs of Bathroom Design with the Brothers Sieger

ABCs of Bathroom Design with the Brothers Sieger4/4

Christian Sieger (left) and Michael Sieger (right); their firm's headquarters, Harkotten Castle, located in Sassenberg, Germany.

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