How did the greek travelers describe the Celts in Britain?

Greek travelers described the Celts in Britain as fierce and noble warriors, often emphasizing their bravery and martial skills. They noted the Celts' distinctive customs, including their elaborate tattoos and unique clothing, which set them apart from other cultures. Additionally, Greek accounts highlighted the Celts' complex social structures and their vibrant, often ritualistic, religious practices. Overall, these descriptions painted the Celts as both formidable and culturally rich, capturing the intrigue of the ancient Greek world.