That’ll be the wind hitting this thing, the Beetham Tower…
Sadly, when the wind kicks up, a very strange noise comes from the tower, and it seems to be caused by the glass blade. This has been happening for years and they’ve tried to fix it, but as you can see it’s still not fixed. In 2012 architect Ian Simpson, who lives in an apartment at the top of the tower, publicly apologised.
Here’s some footage from 2012…
…and here’s what it sounded like yesterday…
https://www.youtube.com/watch?v=ZRCcGUvmZDE