Scientists recreated the whistle of Aztecs making "the most terrible sound in the world"

The sound made by a whistle, reminds a sharp flaw or shout of one thousand victims. Scientists recreated a whistle which makes the most terrible sound in the world. The whistle original in the form of a skull was found in the 1990th years near skeletons in Mexico. Then archeologists assumed that it is any toy, but it became clear later that the whistle makes a terrible sound and could be used by ancient Aztecs during sacrifices to god of a wind Ekhekatl. Modern scientists printed out the whistle copy with help 3D - the printer and wrote down a sound which it makes. Video on which it is possible to hear a sound made by it...