Wasserkunst Kaltehofe

In the page's words:

The Kaltehofe waterworks is an industrial monument and natural space in Hamburg-Rothenburgsort. Hamburg was supplied with clean water from this former waterworks from 1893. Today, the site is open to the public. Guided tours provide information about the history, architecture and nature of the site. Conference rooms can be booked in the former Hygienic Institute, which is located on the site.