A public demonstration is planned for this Sunday in Arrábida, Portugal, to protest the attempted privatization of five beaches in the area. The walk aims to raise awareness and opposition to the proposed changes, which locals fear will limit public access to the coastline. Organizers have not been identified in this report, but the event signals growing concern over potential commercial development impacting the natural landscape. The Arrábida region is known for its scenic beauty and popular beaches, making this issue particularly sensitive for residents and tourists alike. Details regarding the specific privatization plans remain limited, but the protest indicates a strong community desire to preserve public access. Further developments are expected as the walk proceeds and public attention increases.