Τα εισιτήρια πωλούνται από το nvniederhasli.ch – φεύγεις από το Swiss Activities.
Περί τίνος πρόκειται
Maintenance work in the reed areas of the Haslisee in Niederhasli, organised by Naturschutzverein Niederhasli. The event is suitable for families and for anyone who wants to help care for these habitats.
