Working because You have link, They dont delete roms from servers, only links in forum. You can download this rom, but have a bug with nitification shade. If You want live this bug please download and install...Even so, the links are still working:
I would love to get my hands on Mi 5's one though...
Has to be something like http://******.d.miui.com/7.11.23/miui_MI5Global_7.11.23_????????_7.0.zip
Only left to find the value that goes in place of ????????.