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Xiaozhai Tiankeng: understanding China’s sinkhole and its forestsAt Xiaozhai, the sinkhole reaches a depth of 662 metres, depending on the point of measurement. This spectacular landscape has long been known; research into tiankengs sheds light on the links between landforms, water and living things.
Hohle Fels: what miniature art reveals about prehistoryTwo ivory birds, discovered in 2025 and presented in July 2026, add to the story of this German cave. From the carved horse to the flute, how can we interpret these objects without inventing a story for them?
Beneath the Moon, a pit is not enough to reveal an entire caveImages, radar and thermal measurements shed light on lunar cavities. But an entrance spotted from orbit reveals neither the extent of the underground nor whether it is habitable.
Discover prehistory in the Grande Grotte at Arcy-sur-CureIn Yonne, the visit brings together cave paintings and underground landscapes. Choosing the right tour helps distinguish a general introduction from an archaeological perspective.
Pipistrelle: insects to hunt and roosts to protectThe common pipistrelle also lives in the façades of buildings in Luxembourg. Its role as an insect hunter deserves more than a single figure: habitats, diet and precautions around roosts.