The opening of Latens et repertum, a walk-in sound installation by Christina Ertl-Shirley about Sphagnum russowii, a small moss of Berlin's urban nature that was considered lost for nearly 50 years. At 20:00 she gives Cryptogam Dramas, an introduction in words and sound.

The installation works with sounds from the sites where the moss was rediscovered, moss-inspired sound sculptures and forms of linguistic and tactile engagement, and it can change over the exhibition through visitors' contributions. It runs at ausland until 15 November.

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