Future past

No one knows who built these structures of stone or what they were used for. The Wise Ones tell stories of an ancient civilization that vanished from the face of the earth…

My entry to the CG Boost "Power of Nature" challenge. I wanted to show the power of nature that works over long periods of time. What would it look like, if we were long forgotten…?
https://cgboost.com/power-of-nature-challenge/