/usr/ is in libmagickwand-6.q16hdri-dev 8:6.9.7.4+dfsg-16ubuntu6.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/ImageMagick-6.9.7/
/usr/lib/x86_64-linux-gnu/ImageMagick-6.9.7/bin-q16hdri/
/usr/lib/x86_64-linux-gnu/ImageMagick-6.9.7/bin-q16hdri/MagickWand-config
/usr/lib/x86_64-linux-gnu/ImageMagick-6.9.7/bin-q16hdri/Wand-config
/usr/lib/x86_64-linux-gnu/libMagickWand-6.Q16HDRI.a
/usr/lib/x86_64-linux-gnu/libMagickWand-6.Q16HDRI.la
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/MagickWand-im6.q16hdri.pc
/usr/share/
/usr/share/bug/
/usr/share/doc/
/usr/share/doc/libmagickwand-6.q16hdri-dev/
/usr/share/doc/libmagickwand-6.q16hdri-dev/copyright
/usr/lib/x86_64-linux-gnu/libMagickWand-6.Q16HDRI.so
/usr/lib/x86_64-linux-gnu/pkgconfig/MagickWand-6.Q16HDRI.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/Wand-6.Q16HDRI.pc
/usr/share/bug/libmagickwand-6.q16hdri-dev
/usr/share/doc/libmagickwand-6.q16hdri-dev/NEWS.Debian.gz
/usr/share/doc/libmagickwand-6.q16hdri-dev/changelog.Debian.gz