Stop 7 of 109 · Light Through the Door
c. 3100 BCE · Mnajdra, Malta
A Doorway Built for the Equinox
On Malta's southern coast, a temple older than the Great Pyramid still lets the sunrise walk straight down its axis twice a year.
On a limestone terrace above the Mediterranean, facing the small island of Filfla, stands Mnajdra: three megalithic temples built from globigerina and coralline limestone, two types of soft, local stone quarried nearby. The lower, south temple dates from around 3150 BCE, making it, along with its neighbours, older than the Great Pyramid of Giza by roughly a thousand years.
The south temple's doorway faces due east, and on the mornings of the spring and autumn equinoxes, when day and night are close to equal length, the first light of sunrise passes straight through the entrance and travels the length of the temple's central axis to its innermost chamber.
At the summer solstice, the light instead lands on the edge of an upright slab to the left of an inner doorway; at the winter solstice, it strikes a matching slab to the right. Heritage Malta, which manages the site, is careful to note that no one can prove the builders intended this, only that the pattern repeats too neatly, year after year, to be dismissed as coincidence.
Whether by design or a very fortunate accident of geography, Mnajdra's doorway still does this work today: walk in on the right March or September morning, more than five thousand years after it was built, and the sunrise still walks the same line down the same floor.