On July 26, 2026, from 10:30 to 11:30, join a planting activity for grandparents and grandchildren at Parque Marechal Carmona in Cascais. The event begins with a reading of the story 'A minha árvore secreta' by David Pintor, followed by gardening together in the former gardens of the Count of Castro Guimarães. Meet at the Capela de S. Sebastião. Registration is required.