From Travel and Leisure:
At the University of Coimbra in central Portugal, there are bats in the biblioteca. They swoop through the stacks, winging over a first-edition of Dionysius of Halicarnassus’s “Roman Antiquities” and past a 15th-century book of hours and Homer’s “Opera Omnia” — snapping up bugs as they go.
It’s one of two 18th-century Portuguese libraries where bats are welcome guests, allowed to stay for the bug-eating — and, by extension, manuscript-preserving — services they provide. And visitors to Portugal can see them for themselves.
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