found in the /pol/ thread
>3gd.mooo.com anon here. if you look at page source you will see those are thin wrappers against direct china telecom stream endpoints :) so feel free to directly use them in vlc/mpv for better viewing experience.
the stream is frozen at 13:18:58 but in that link it's pulled directly from china telecom like anon says so it's still active and going
looks like rain/fog/water particles are blocking vision from that stream as well
looks like it's raining and that dam is apparently already over capacity