/usr/share/help-langpack/el/gnome-mines/ is in language-pack-gnome-el-base 1:14.04+20140410.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help-langpack/el/gnome-mines/board-size.page
/usr/share/help-langpack/el/gnome-mines/bug-filing.page
/usr/share/help-langpack/el/gnome-mines/develop.page
/usr/share/help-langpack/el/gnome-mines/documentation.page
/usr/share/help-langpack/el/gnome-mines/faces.page
/usr/share/help-langpack/el/gnome-mines/flags.page
/usr/share/help-langpack/el/gnome-mines/get-help.page
/usr/share/help-langpack/el/gnome-mines/high-scores.page
/usr/share/help-langpack/el/gnome-mines/index.page
/usr/share/help-langpack/el/gnome-mines/license.page
/usr/share/help-langpack/el/gnome-mines/new-game.page
/usr/share/help-langpack/el/gnome-mines/rules.page
/usr/share/help-langpack/el/gnome-mines/shortcuts.page
/usr/share/help-langpack/el/gnome-mines/toolbar.page
/usr/share/help-langpack/el/gnome-mines/translate.page