The earth pillars of Renon, South Tyrol, Italy.

They started forming from moraine clay soil left behind after the last Ice Age when the glaciers of the Valle d'Isarco covering the valley melted away.

https://video.nostr.build/24b9ca0b1e4a55a5f31abbfa2accfb23ee51f06d81e6eea6d5ea035ec8e90f69.mp4