Complex sentence: The image of the Virgin of Guadalupe that is highly venerated in Mexico has the appearance of a South American, rather than a European woman, and the clothing of the Virgin of Guadalupe has been identified as that of an Aztec princess.
Split into simpler sentences: The image of the Virgin of Guadalupe that is highly venerated in Mexico has the appearance of a South American, rather than a European woman. And the clothing of the Virgin of Guadalupe image has been identified as that of an Aztec princess.