Sjaak Kempe|sourceurl=https://flickr.com/photos/22991060@N04/10378960635%7Carchive=http://web.archive.org/web/20190121045815/https://flickr.com/photos/22991060@N04/10378960635%7Creviewdate=2019-01-04 14:45:17|reviewlicense=cc-by-2.0|reviewer=FlickreviewR 2
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