look like they are preparing for the end of the world? >> we believe the mayans ought to start a new calendar we don't believe it is the end of the world as far as we are concerned. >> no doomsday love. >> stone hedge seems to be a ceremonial spot, because of the mystery surrounding its its alignment with the sun on the days of the summer and winter solstice it is an enduring gathering point. >> stonehenge is many things to many people. >> peter a car son explains why this -- peter carson plains why this place is so special. >> some say it is astronomical calendar for others it signifies the change in seasons to others a ceremonial place where ancestors were buried or cremated. >> nobody knows how or why it was built. it is a mystery. >> problem with cultures,