Porthor (Porth Oer) beach, where the sand whistles due to the unique shape of the grains, Llyn Peninsulal Gwynedd, North Wales, Wales, United Kingdom, Europe

Porthor (Porth Oer) beach, where the sand whistles due to the unique shape of the grains, Llyn Peninsula, Gwynedd, North Wales, Wales, United Kingdom, Europe

Porthor, Llyn Peninsula, Gwynedd, Wales, United Kingdom, Europe

Whistling Sands Beach, Porthor, Llyn Peninsula, Gwynedd, Wales, United Kingdom, Europe

Porthor, Llyn Peninsula, Gwynedd, Wales, United Kingdom, Europe