frantzius2177
Unable to answer "What kind of building is this?" for https://osm.org/way/243999861 via StreetComplete 33.2:

Blick vom Pfahlbau (WCs) zum Meer..

Attached photo(s):
https://westnordost.de/p/58589.jpg
https://westnordost.de/p/58590.jpg
https://westnordost.de/p/58591.jpg