PRI's The World - Geo Quiz Podcast 683EASTER PARADE IN SPAIN We head to Andulusia, a region of southern Spain for our Geo Quiz. Semana Santa or Holy Week celebrations are under way in the town we're looking for. It's located in Huelva province .... not too far from Portugal and the Atlantic coast. The town's famous for its spectacular caves and underground lakes known as the Gruta de las Maravillas. We'll take you to street level, where crowds are gathered to watch the processions and marching bands celebrating Easter week, when you name the mystery city.