 Traditional and typical produce is sold from the stalls; the main drink is cider and the most popular snacks are txistorra, a thin, uncured chorizo wrapped in talo flatbread.A large pig is displayed in Plaza Constitucion, which is raffled off during the festival.As in other Basque cities, towns and villages, on Christmas Eve the Olentzero and the accompanying carol singers usually dressed in Basque farmer costume take over the streets, especially in the city centre, asking for small donations in bars, shops and banks after singing their repertoire.