Sounds reflected from the steps of the Mayan ruins at Chichenitza also produce a pitch, similar to Huygens' fountain but the pitch changes over time, due to the height of the steps. Sound reflecting o...Sounds reflected from the steps of the Mayan ruins at Chichenitza also produce a pitch, similar to Huygens' fountain but the pitch changes over time, due to the height of the steps. Sound reflecting off the upper steps has a different repetition pitch because of the angle (the sound travels along a hypotenuse connecting the edge of one step to the next, rather than the shorter distance from the edge directly to the back of the step).