/usr/ is in libgyoto6 1.2.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/gyoto/
/usr/lib/x86_64-linux-gnu/gyoto/6/
/usr/lib/x86_64-linux-gnu/gyoto/6/libgyoto-lorene.so
/usr/lib/x86_64-linux-gnu/gyoto/6/libgyoto-stdplug.so
/usr/lib/x86_64-linux-gnu/libgyoto.so.6.0.0
/usr/share/
/usr/share/doc/
/usr/share/doc/libgyoto6/
/usr/share/doc/libgyoto6/changelog.Debian.gz
/usr/share/doc/libgyoto6/changelog.gz
/usr/share/doc/libgyoto6/copyright
/usr/share/doc/libgyoto6/examples/
/usr/share/doc/libgyoto6/examples/example-complex-astrobj.xml
/usr/share/doc/libgyoto6/examples/example-fixed-star-KS.xml
/usr/share/doc/libgyoto6/examples/example-fixed-star-minkowski-cartesian.xml
/usr/share/doc/libgyoto6/examples/example-fixed-star-minkowski-spherical.xml
/usr/share/doc/libgyoto6/examples/example-fixed-star.xml
/usr/share/doc/libgyoto6/examples/example-fixedstar-rotstar3_1.xml
/usr/share/doc/libgyoto6/examples/example-moving-star-CS.xml
/usr/share/doc/libgyoto6/examples/example-moving-star.xml
/usr/share/doc/libgyoto6/examples/example-movingstar-rotstar3_1.xml
/usr/share/doc/libgyoto6/examples/example-oscil-torus.xml
/usr/share/doc/libgyoto6/examples/example-page-thorne-disk-BL-with-basis.xml
/usr/share/doc/libgyoto6/examples/example-page-thorne-disk-BL.xml
/usr/share/doc/libgyoto6/examples/example-page-thorne-disk-KS.xml
/usr/share/doc/libgyoto6/examples/example-polish-doughnut.sbatch
/usr/share/doc/libgyoto6/examples/example-polish-doughnut.xml
/usr/share/doc/libgyoto6/examples/example-startrace.xml
/usr/share/doc/libgyoto6/examples/example-thin-disk-KS.xml
/usr/share/doc/libgyoto6/examples/example-thin-disk-minkowski-cartesian.xml
/usr/share/doc/libgyoto6/examples/example-thin-disk-minkowski-spherical.xml
/usr/share/doc/libgyoto6/examples/example-thin-disk.xml
/usr/share/doc/libgyoto6/examples/example-torus-KS.xml
/usr/share/doc/libgyoto6/examples/example-torus.xml
/usr/lib/x86_64-linux-gnu/libgyoto.so.6