/usr/ is in eog-plugin-fullscreen-background 3.26.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/eog/
/usr/lib/x86_64-linux-gnu/eog/plugins/
/usr/lib/x86_64-linux-gnu/eog/plugins/fullscreenbg.plugin
/usr/lib/x86_64-linux-gnu/eog/plugins/fullscreenbg.py
/usr/share/
/usr/share/doc/
/usr/share/doc/eog-plugin-fullscreen-background/
/usr/share/doc/eog-plugin-fullscreen-background/changelog.Debian.gz
/usr/share/doc/eog-plugin-fullscreen-background/copyright
/usr/share/eog/
/usr/share/eog/plugins/
/usr/share/eog/plugins/fullscreenbg/
/usr/share/eog/plugins/fullscreenbg/preferences_dialog.ui
/usr/share/glib-2.0/
/usr/share/glib-2.0/schemas/
/usr/share/glib-2.0/schemas/org.gnome.eog.plugins.fullscreenbg.gschema.xml
/usr/share/metainfo/
/usr/share/metainfo/eog-fullscreenbg.metainfo.xml
/usr/share/python3/
/usr/share/python3/runtime.d/
/usr/share/python3/runtime.d/eog-plugin-fullscreen-background.rtupdate