ls: cannot open directory: Permission denied
You have no rights on the parent directory
drwx------ 1 root root 208 nov 16 15:13 ..
You must have the x rights on the parent directory to pass thru this directory
drwx--x--x 1 root root 208 nov 16 15:13 ..
to do that :
sudo chmod go+x /path/to/the