The circular wall bounces the sound back.
"Nobody knows why" - smh
our education system is SO broken.
Truth... But of course they do know. It's in the video posted in the comments, and it's still pretty cool. The video/news clip does a good job of showing it in action.
for more info:
I wondered what had happened to the video
Posted by KilltheskyfairyImaginary???
Posted by KilltheskyfairyImaginary???
Posted by KilltheskyfairyMore bears…
Posted by KilltheskyfairyMore bears…
Posted by KilltheskyfairyMore bears…
Posted by michelle666garLove this movie!!!
Posted by backtobasicsThere may be an opening soon!
Posted by glennlabIn case there was ever any doubt
Posted by KilltheskyfairyStill more bear…
Posted by KilltheskyfairyStill more bear…
Posted by KilltheskyfairyStill more bear…
Posted by KilltheskyfairyStill more bear…
Posted by KilltheskyfairyStill more bear…
Posted by KilltheskyfairyStill more bear…
Posted by KilltheskyfairyStill more bear…
Posted by KilltheskyfairyStill more bear…