Simple mechanics: Cams!
Cool. More images here.
While looking for a decent live version of “Welcome to The Machine” I found this. Jacquelyn Adams‘ tribute to Pink Floyd ["Dr. Jacquelyn, Mr. Hyde," Horn Day, 10 February 2012, York University, Toronto, Ontario] and it begins with that song.
Given the atrocities of yesterday, we might as well leave the number of vids posted at three, and the selections are in no way a commentary. Hug your kids and loved ones, pray for the victims, and we’ll be back here tomorrow.