Mafra Palace Library, Portugal
Since its opening in 1771, the Mafra Palace Library has been home to a colony of tiny bats; they roost behind the cases in winter, and in the orchard outside in the summer, swooping in during the night to eat insects which would otherwise damage the books.
João Frederico Ludovice and Manuel Caetano de Sousa
Palácio-Convento Nacional de Mafra
1717-1834 | Mafra, Portugal