Chichen Itza acoustic engineering genius: Castillo Pyramid & Quetzal bird sound

The Mayans engineered the acoustics of the Castillo pyramid at Chichen Itza to chirp like the Quetzal bird - but only when you are standing directly in line with the stairs. Here’s a video of our Mayan tour guide (who was amazing!) teaching Nate how to get the Pyramid to chirp back at us.