Megalithic passage tombs
Passage tombs are a very mysterious secrets of Ireland. They were built around 4000-5000 years ago, so some of them are much older than the pyramids of Giza. Had ritual significance and were associated with the cult of the sun. An astonishing precision of their execution, the entrance of the tomb was always in the line of the rising or setting sun in one day - solstice or equinox. In some places in the morning that day, people wishing to meet see the spectacle staged by people living in the Neolithic. Inside the tomb of the sun appears only at several tens of minutes in a year and you need luck to happen on that day was cloudless sunrise.
Equinox 23th September 2008 - photo: Piotr Sobociñski