Look at the pictures and the map. What do you think the answers to the questions could be? 1 How old is the structure?

1 Between 3000 and 1000 BC2 It remains unknown: It might be a temple, an astronomical clock or a calendar.3 The bluestone boulders are about 4 tons each.4 It is believed that some stones were transported from Wales (the Preseli Mountains). The method is still unclear.