The Easter Island Heads • How and why were they built? 1. Scientists are almost certain that the stones had a religious significance. Scientists believe that the must have had stones________________ a religious significance. 2. Scientists think that it’s impossible that the stones came from a different island. Scientists think that the stones _________________ from a different can’t have come island. 3. It’s possible that the stones were carved to resemble a famous leader of the tribe. could/might/may have been carved The stones ___________________ to resemble a famous leader of the tribe. 4. Some people believe that there’s a possibility that the stones came from another planet. could/might/may have come Some people believe that the stones ____________________from another planet.
Magura Cave - Bulgaria How and why did they paint these paintings?
The Great Pyramids • How, when and why were they built?
The Nazca Lines • How, when and why were they built?
The Uffington White Horse How and why was it built?
Atlantis • Did it really exist? If so, where was it?
The Holy Grail Was it real? What was the origin of the legend?