Anyone know what this is all about? Seen on many trees in the Sihltal near Zurich.

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  1. **Conservation rules at Sihlwald**

    * Dogs must be kept on a lead. Leads are not compulsory between the Sihl riverside path and the Sihl
    * Fires permitted at marked campfire locations only
    * Do not litter
    * No overnight stays of any kind
    * No model aircraft or drones
    * Comply with the prohibition of biking
    * Comply with the prohibition of horse riding
    * Comply with the prohibition of access

    **Additional rules in core zone (Kernzone) and nature conservation zone:**

    * Do not leave the paths
    * No removal of any natural resources
    * No fires

    [https://www.wildnispark.ch/en/information/before-your-visit/rules](https://www.wildnispark.ch/en/information/before-your-visit/rules)

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