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The Whispering Wall is a popular tourist attraction located in the Barossa Valley region of South Australia, near Adelaide. It is officially known as the Barossa Reservoir, and it is famous for its unique acoustic phenomenon.
The Whispering Wall is a dam wall that was constructed between 1899 and 1902 across the North Para River to supply water to the nearby towns and agricultural areas. The wall is around 36 meters high and holds back a significant amount of water.
What makes the Whispering Wall so intriguing is its acoustic properties. Due to its design and curvature, sound waves can travel along the dam wall and be clearly heard on the opposite side, even from a considerable distance. If you stand at one end of the wall and whisper or speak softly, someone standing at the other end, about 140 meters away, can hear your words as if you were standing right next to them. This phenomenon is a fascinating example of the science of sound and how architectural design can impact acoustics.
Many visitors to the Whispering Wall enjoy testing out the acoustic effect by having whispered conversations with friends or family across the dam wall. The attraction is particularly popular among families and tourists, providing a unique and entertaining experience in a picturesque location.
If you ever find yourself in the Adelaide area, the Whispering Wall is definitely worth a visit, especially if you're interested in experiencing this intriguing acoustic phenomenon.
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