An aerial view of Abereiddi Tower in Pembrokeshire, South Wales, on a sunny evening with a clear blue sky

abereiddi tower tower pembrokeshire abereiddi south wales architecture building historical medieval monument fortress fort castle famous fortification old ancient landmark stone tourism beaches coastline aerial summer seaside sunny evening welsh outdoors sea wales travel coast idyllic nature landscape bay ocean holiday relaxation shore uk scenic united kingdom coastal tranquility scenery summertime picturesque