mega-what / prehistoric horizon calendars / Wales, Carmarthenshire, Pentre Galar / Glandy Cross

Carn Besi Chambered Tomb: 360° S centred

South centred panoramic view with luni-solar trajectories c.1800BCE from Carn Besi Chambered Tomb, Carmarthenshire, Wales. South is in a distant dip. North is on a nearby hilltop. The southern horizon is very distant and fairly uniform. Thus the profiles of nearer hills may make more reliable markers in this direction. The north-eastern lunistice range spans a hilltop. The north-western lunistice range runs from a hilltop to the edge of another with summer solstice sunset on a prominent top in the middle. The intersect of nearer and further horizons indicates summer cross-quarter to the east and winter cross-quarter to the west.
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© Michael Wilson.