Samaín in Galicia is much more than a simple costume party. It is an ancestral celebration that has its roots in Celtic culture and marks the end of summer and the beginning of winter, when the border between the world of the living and the world of the spirits becomes thinner. In the old days, Galician families would light bonfires and place carved pumpkins with candles inside to scare away evil spirits, while the little ones would go around the villages asking for sweets and telling scary stories. Today, Samaín is still very present in Galician life, adapted to the new times, but...