Original sentence: There are historical reports of fleas glued to the base of the flea circus enclosure, instruments were then glued to the flea performers and the enclosure was heated
Edited sentence: However there are historical reports of fleas glued to the base of the flea circus enclosure, instruments were then glued to the flea performers and the enclosure was heated.Training fleas in this way simply shows off their natural talents and in no way harms the fleas