Unable to answer "What type of bollard is this?" – Bollard – node/5079642199 via StreetComplete 57.4:

I cannot see any bollard here.

Attached photo(s):
https://westnordost.de/p/217321.jpg

Unable to answer "How does this path cross the barrier here?" – node/3164636323 via StreetComplete 57.2:

Qui non c'è nessun passaggio sul muro di pietra.
Here there is no barrier on the stone wall.

Attached photo(s):
https://westnordost.de/p/211783.jpg

Unable to answer "How does this path cross the barrier here?" – node/3164636322 via StreetComplete 57.2:

Qui non c'è nessuna barriera.
There is no barrier here.

Attached photo(s):
https://westnordost.de/p/211781.jpg
https://westnordost.de/p/211782.jpg

Questa parte triangolare del parco è un'area riservata ai cani.

via StreetComplete 57.1

Attached photo(s):
https://westnordost.de/p/207359.jpg
https://westnordost.de/p/207360.jpg

This stay open only few days a year during the town fest. Should it be removed?

Check if it is permanently closed.
Comprobar si está cerrado de manera permanente.

This path seems no longer viable. Please, check it.
Este camino parece no accesible. Por favor, comprobar.

This speed bump has been removed