/usr/share/games/flightgear/Phi/3rdparty/leaflet/images is in flightgear-phi 2016.4.2+dfsg1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/games/flightgear/Phi/3rdparty/leaflet/../../../../../javascript/leaflet/images