List of best mirrors for IP address 18.227.140.100, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/multiarch/pool/main/q/qt3d-opensource-src/qt3d-assimpsceneimport-plugin-dbgsym_5.15.1+dfsg-3+rpi1_arm64.deb