The arched exterior of the De Ploeg factory, designed by Gerrit Rietveld, at Bergeijk in the Netherlands

The arched exterior of the De Ploeg factory, designed by Gerrit Rietveld, at Bergeijk in the Netherlands.

The arched exterior of the De Ploeg factory, designed by Gerrit Rietveld, at Bergeijk in the Netherlands.

The arched exterior of the De Ploeg factory, designed by Gerrit Rietveld, at Bergeijk in the Netherlands.

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