5 Ancient Structures with Amazing Acoustics

Many ancient sites had some truly amazing effects on sound waves, suggesting that early cultures may have built spaces to evoke certain sensation. And by studying the acoustics of these structures, we can learn new things about the experiences people had there, hundreds or even thousands of years in the past.

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Sources:
https://asa.scitation.org/doi/pdf/10.1121/1.2709842
https://www.nature.com/news/2007/070319/full/070319-16.html
http://www.ancientacoustics2011.upatras.gr/Files/Vassilantonopoulos%20et%20al._Epidauros%20Measurements.pdf
https://asa.scitation.org/doi/pdf/10.1121/1.1764833
https://www.nature.com/news/2004/041213/full/041213-5.html
https://spot.colorado.edu/~pricej/downloads/AcousticWaveguides.pdf
http://nautil.us/issue/6/secret-codes/the-code-of-the-conch
https://acousticstoday.org/wp-content/uploads/2018/12/Archaeoacoustics-Re-Sounding-Material-Culture-Miriam-A.-Kolar.pdf
http://www.gedlee.com/downloads/AT/Chapter_6.pdf
https://www.physics.utoronto.ca/~phy326/lpp/AcousticDispersion.pdf
http://usir.salford.ac.uk/id/eprint/18765/1/Fazenda_and_Drumm_Recreating_the_Sound_of_Stonehenge_Acoustics_of_Ancient_Theatres.pdf
https://www.salford.ac.uk/research/sirc/research-groups/acoustics/architecture-and-building-acoustics/acoustics-of-stonehenge#:~:text=The%20acoustic%20response%20of%20the,typical%20of%20an%20outdoor%20space.
https://community.sw.siemens.com/s/article/sound-fields-free-versus-diffuse-field-near-versus-far-field
https://www.researchgate.net/publication/282480957_Archaeoacoustic_Analysis_of_the_Hal_Saflieni_Hypogeum_in_Malta
https://www.smithsonianmag.com/travel/maltas-hypogeum-one-worlds-best-preserved-prehistoric-sites-reopens-public-180963397/
https://timesofmalta.com/articles/view/international-team-of-scientists-to-study-hypogeum-acoustics.503522
http://www.sbresearchgroup.eu/Immagini/Systems_of_acoustic_resonance_in_the_ancient_sites_and_related_brain_activity.pdf
https://www.frontiersin.org/articles/10.3389/fnhum.2014.00086/full
https://pdfs.semanticscholar.org/508c/1b20518e7b02c12f56717e12a3983e032625.pdf
https://www.tandfonline.com/doi/abs/10.2752/175169608783489099
http://przyrbwn.icm.edu.pl/APP/PDF/119/a119z6Ap29.pdf

Images:
https://www.youtube.com/watch?v=0SN0mmnImm8&feature=em-comments
https://en.wikipedia.org/wiki/File:Samuel_Hill_Stonehenge.jpg
https://commons.wikimedia.org/wiki/File:Maryhill_Stonehenge_02.jpg
https://de.wikipedia.org/wiki/Datei:31_of_%27(Our_own_country._Descriptive,_historical,_pictorial.)%27_(11182140263).jpg
https://commons.wikimedia.org/wiki/File:Pututu_de_caracola.jpg
https://commons.wikimedia.org/wiki/File:Chasqui3.JPG
https://commons.wikimedia.org/wiki/File:Chavin_de_Huantar_Ingreso_a_Galeria_06122009.jpg
https://www.flickr.com/photos/xiquinho/27286982353/in/photolist-HzfVbZ-EAo2Zu
https://commons.wikimedia.org/wiki/File:Model_of_the_%C4%A6al-Saflieni_Hypogeum.jpg
https://en.wikipedia.org/wiki/File:Hypog%C3%A9e_Hal_Saflieni.jpg