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BolwoningenThis odd cluster of spherical houses is known as Bolwoningen, built in 1984 by artist Dries Kreijkamp.
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Experimental housingIt was part of an experimental housing development program launched from 1968 to 1984 in the Netherlands.
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How many houses were build?There are 50 of them, and after 37 years of existence, they are still as strange and futuristic as ever.
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Why did they cause confusion?Some people think they look like a subdivision of mini astronomical observatories or a batch of oversized golf balls.
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What is their purpose then?Well, they are (still) inhabited by everyday Dutch folk in the suburban town of Den Bosch.