Sunrise on the winter solstice.

Haroldstown Portal Dolmen. Co. Carlow. c.3300 BC.

https://cdn.nostrcheck.me/5fb79201137058d08212cef6c355119aee0e3f6b131dbbffb414002d88cb1e74/9cc8a867c97f5440ee4fba3789accf1f0bf78ecbf70d3001673f6ce5fde3cd82.webp