The Hoffmann kiln - Credit: Wikimedia Commons
Nivaagaard Brickworks (Danish: Nivaagaards Teglværk) was one of two major brickworks at Nivå in North Zealand, Denmark. Its former Hoffmann kiln was listed on the Danish registry of protected buildings and places in 1985 and is now operated as a museum under the name Ringovnen. Read more on Wikipedia
Source: en.wikipedia.org