A mere whisper in the mortal world sounds like thunder in Heaven".

This saying is based on the acoustic effects of the rectangular stones that pave the central stairway leading to the main temple. These rectangular stones are called the Triple Sound Stones. If you stand on the first stone and clap or shout, you will hear one echo. If you stand on the second stone, you will hear two echoes and on the third stone you will hear three, echoes.



The location of the stones explains this effect. For example, the reason that you hear three echoes when you stand on the third stone is that your location forms a right triangle with relation to three points:


The Gate of the Hall
The top of the hall
The third stone


The sound travels to the wall of the hall, then to the top of the hall and then the gate. The reason you hear different echoes is because the sound returns at different intervals. If you speak from other stones, you may not hear anything because a right-angled triangle is not formed.







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See more about Temple of Heaven

About Temple of Heaven

. Introduction to the Temple of Heaven . Sweet Spring Well . Left Parlor of the Main Hall of Abstinence . Hall of Prayer for Good Harvest . Double-Circle Longevity Pavilion . Gate of Prayer for Good Harvests . The Temple of Earth . Observatory . Temple of Heaven . The magnificent and colorful Temple of Heaven . Heart of Heavenly Stone . Architecture and Layout of the Temple of Heaven . The Temple of Heaven is the most holy of Beijing¡¯s . Tiantan Park

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