On Invasion Day (26th of Jan) in Australia a group of Hobartians went to the top of Mount Wellington (which is the dominant landform above Hobart, you can see it from everywhere) and made sound/noise improvisations in the look-out building at the top which is a concrete room with huge windows ... very resonant.
Here's a brief video which'll give you an idea of the beautiful setting of Mount Wellington
Here's the entire recording - about 42 mins or so.
Mount Wellington 26/1/12
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