An extremely pleasant and exciting event was the opening ceremony of the exchange, attended by the city's authorities: the mayor of Castelldefels - Maria Miranda, ruler of the city hall of Castelldefels - Jordi Maresma and the inspector of education, SSTT de Sant Feliu - Sandra Gallardo. The hosts' artistic program also featured guest accents. The Polish delegation was very pleasantly surprised by the presentation of the song "Krakowiaczek jeden" in Polish Language. It was a very nice time!