sentences:  These megaliths indicate that this landscape was marked out and used as a sacred and ritual site for several millennia.It has been suggested that the name of the site is linked to the Celtic festival of fertility known as 'Beltane', the anglicised name for the Gaelic May Day festival, commonly held on 1 May and historically, widely observed throughout Ireland, Scotland and the Isle of Man.In Irish the name for the festival day is , in Scottish Gaelic and in Manx Gaelic .