The Feast of Sant Joan, also called the eve of Saint John or the night of Saint John, is a feast of pagan origin held on June 23, the eve of the day of Saint John the Baptist, when people usually light  bonfires and shoot firework. In addition, it is tradition to end the festive supper with coca de San Juan, a special cake, and Cava, Spanish Champagne. The arrival of the summer is celebrated throughout the Spanish geography with ancestral traditions. San Juan is considered the shortest night of the year, although in some cities it is extended until dawn. The night of San Juan has acquired the...