/usr/lib/x86_64-linux-gnu/liballegro_image.so.5.0 is in liballegro-image5.0 2:5.0.10-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/liballegro_image.so.5.0.10
/usr/lib/x86_64-linux-gnu/liballegro_image.so.5.0.10