Poulnabrone portal tomb - a photo on Flickriver

            Standing proud in the stark landscape of the Burren Co. Clare, the iconic megalithic tomb at Poulnabrone is one of Ireland’s most photographed archaeological sites. Dating from the Neolithic period, this distinctive monument has revealed a wealth of information about the lives and burial customs of Ireland’s very first farming communities.
Poulnabrone is classified as a portal tomb by archaeologists, and there are approximately 174 of these monuments in the country. The majority are located in the northern half of the island, although outliers exists further south, especially in counties Clare and Waterford. The tombs generally consist of two large portal-stones defining the entrance and a back-stone, all of which support the roof-stone. The roof-stone can be of considerable size, with the largest example at Brownshill, Co. Carlow weighing circa 100 tonnes.
It is not known how these very large stones were moved and raised but it probably involved a combination of wooden rollers, ropes and man/animal power. It is possible that ramps of earth and stone were used to haul the large roof stones into place and some portal tombs have evidence for denuded cairns, which may have been used for this purpose.
   

Taken on: March 10, 2015

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Camera: Sony ILCE-7M2, f/13.0, 1/160 sec, 24mm, ISO 160 (more info) (hide info)

Camera:	Sony ILCE-7M2
Lens:	FE 24-70mm F4 ZA OSS
Aperture:	f/13.0
Exposure Time:	0.006 sec (1/160)
Focal Length:	24mm
ISO:	160
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto bracket
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Adobe Photoshop Lightroom 5.7.1 (Macintosh)
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