(https://commons.wikimedia.org/wiki/File:Athen_Odeon_Herodes_Atticus_BW_2017-10-09_13-12-44.jpg)

Image 2: Puccini's Tosca at the Theater of Herodes Atticus in Athens, Greece (2012).jpg (https://commons.wikimedia.org/wiki/File:Puccini%27s_Tosca_at_the_Theater_of_Herodes_Atticus_in_Athens,_Greece_(2012).jpg)


Image 3:Atticus-AcropolisOdeonHerodes-Built between 160 and 170 AD.jpg (https://jstor.org/stable/community.15265114)]]>
Image 2: Creative Commons

Image 3: Artstor Collection License ]]> Diameter Orchestra: Around 20 M ]]>