I always thought that this song relates to Trent Reznor's video campaign for PETA.
You should see the video. If I am right, then “everything is echoing” refers to pain being suffered by one animal is the same pain being suffered by other animal next to it, or at the other end of the slaughterhouse. Furry animals get chemical treatment, when trying to find out if a toxin is dangerous enough for humans. In fur and animal meat processing facilities animals get skinned, some while still alive.
I always thought that this song relates to Trent Reznor's video campaign for PETA. You should see the video. If I am right, then “everything is echoing” refers to pain being suffered by one animal is the same pain being suffered by other animal next to it, or at the other end of the slaughterhouse. Furry animals get chemical treatment, when trying to find out if a toxin is dangerous enough for humans. In fur and animal meat processing facilities animals get skinned, some while still alive.