A recording inside the Basilica Cistern, Istanbul. First recording: water drops falling from the ceiling; a group of tourists surprisingly screaming and lots of voices echoing. On the second recording you can hear a muezzin from outside echoing inside the big cistern.
![](http://ears-are-wings.stupidius.net/wp-content/uploads/2014/03/2014-02-24_istanbul-13_Cisterna_Basilica_02.png)