← Back to context Comment by szszrk 3 days ago Well the article claims cave is pitch dark, so I guess the invisible part is granted anyway. 3 comments szszrk Reply kijin 3 days ago Cave-dwelling animals don't just crash into walls all the time, so by "visible" I mean large enough and dense enough to be recognized as an obstacle in whatever navigation system they use. hnlmorg 3 days ago They do rest on walls though. thaumasiotes 3 days ago In this case every part of the wall is actually just a spiderweb.
kijin 3 days ago Cave-dwelling animals don't just crash into walls all the time, so by "visible" I mean large enough and dense enough to be recognized as an obstacle in whatever navigation system they use. hnlmorg 3 days ago They do rest on walls though. thaumasiotes 3 days ago In this case every part of the wall is actually just a spiderweb.
hnlmorg 3 days ago They do rest on walls though. thaumasiotes 3 days ago In this case every part of the wall is actually just a spiderweb.
Cave-dwelling animals don't just crash into walls all the time, so by "visible" I mean large enough and dense enough to be recognized as an obstacle in whatever navigation system they use.
They do rest on walls though.
In this case every part of the wall is actually just a spiderweb.