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When after the collapse of East Germany and reunification many chemical plants were closed down, the museum recovered their most notable equipment and apparatuses (some 5,000 objects in total). The biggest of which are displayed in an open-air "technology park" outside the museum. Among the most outstanding exhibits are a complete ammonia synthesis chamber from the earliest years of the Haber–Bosch process (named for its Nobel Prize-winning inventors) with a corresponding circulation pump, and a chemicals train.
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Smallish private cinema with special programmes.
And 16th-century well.
St.-Maximi-Kirche
13th-century Gothic three-aisled hall church. The steep Gothic revival tower was added around 1870.
"Owl tower"
Historic well that has existed since medieval times, in front of a passage between to benefice houses. It is named for a French officer who drowned in it in 1757. It was redesigned in 1928.
"Black bastion"