The rock art discovered in Bacon Hole, a cave near the Mumbles in south Wales, has been reclassified as the oldest cave art in the UK, dating back 17,100 years. Initially reported in 1912, the authenticity of the painted panel was dismissed by 1928, with claims that the red streaks were merely a natural occurrence. However, recent analysis led by Dr. George Nash, a specialist in prehistoric art, utilized uranium-thorium dating to confirm its age. The study concluded that the lines were intentionally created by humans, indicating a structured pattern. This research, published in the journal Quaternary, highlights the significance of Bacon Hole as a habitation site for hunter-gatherer groups during a transitional climate phase. Although the cave is not currently designated as a scheduled monument, archaeologists advocate for its protection. The project was supported by the National Trust and involved collaboration with several universities, reinforcing the importance of understanding prehistoric human activity in Wales.