Visual Glitch on Atziri corridor & Jiquanis entryway

Found a visual glitch on the wall at this corridor while at Atziri temple (ruined) :

https://steamcommunity.com/sharedfiles/filedetails/?id=3624753540


in paralell.. found a similar visual glitch at Jiquanis Machinarium (entryway)

https://steamcommunity.com/sharedfiles/filedetails/?id=3624753910

and it also seems to be lacking the exit (from where you enter) back to the chimeral wetlands..