en Cuevana 3. Vespertilio Spillover is a moving images materializing from a woodcut depicting cat-bats in a rare book written by the German scientist Athanasius Kircher (*1602 / +1680) illustrating China in comparison with the actual context of the Covid-19 insurgence, including the spillover infection phenomenon and its potential causes. THIS FILM IS DEDICATED TO ALL VICTIMS - R.I.P.