Original: Sugiyama : 111 Teotihuacanos practiced human sacrifice : human bodies and animal sacrifices have been found during excavations of the pyramids at Teotihuacan ; and it is believed that when the buildings were expanded , sacrifices were made to dedicate the new building .
Simplified: Human bodies and animal sacrifices have been found during excavations of the pyramids at Teotihuacán . When the buildings were expanded , sacrifices were probably made to dedicate the new building .