It is popular because it is the biblical burial site of the Apostle St. James
Santiago derives from the name Jacob which was Hebrew.
Festival of Apostle which is one of the most popular festivals.
Pilgrims often go to this festival as well as Galicians. There are firework shows and as well as traditional music.
The answer would be the "Breastroke" is the one you used the most meaning that when you swim you use your arms and legs.
Solo estoy respondiendo porque necesito más respuestas para mi tarea de matemáticas pero te deseo lo mejor para tu/su clase de español