a highly detailed and realistic image of a cross-section of a tree trunk. The image should vividly display the texture of the wood, highlighting the intricate growth rings, also known as annual rings. Each ring should be distinct, showcasing variations in thickness and color that indicate different growth periods. The cross-section should also include the outer bark, emphasizing the natural rugged texture, and possibly showing some signs of aging or weathering. The focus should be on the patterns and details of the rings, capturing the beauty and complexity of the tree's life history; photo essay in the style of National Geographic, chaos, award winning, sharp focus on subjects, 8k --ar 4:5  --s 750