"Deutsches Technikmuseum Berlin (German Museum of Technology) in Berlin, Germany is a museum of science and technology, and exhibits a large collection of historical technical artifacts. ...
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The museum´s main emphasis originally was on rail transport, but today it also features exhibits of various sorts of industrial technology. In 2003, it opened both maritime and aviation exhibition halls in a newly built extension. The museum also contains a science center called Spectrum." - (en.wikipedia.org 01.02.2020)