List of best mirrors for IP address 3.137.210.133, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/q/qtdeclarative-opensource-src/qtdeclarative-opensource-src_5.15.15+dfsg-3+rpi1.dsc