The teams research waspublishedtoday inCommunications Earth & Environment.
The bridge is made of limestone blocks and connects two elevated chambers in the cave.
But the bridge is not the only human construction in the cave.
A view of the stone bridge in Mallorca’s Genovesa Cave.Image: R. Landreth
There is also an ancient stone path at the caves mouth that leads down to the underwater lake.
The research is an interesting case study of how researchers can pin down the timelines of human migration.
When early modern humans moved to island environments, they altered the natural conditions around them.
Overgrowths on speleothems in the cave. Image: M.À. Perelló
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