TeleSur English posts a lot of the coverage on YouTube https://www.youtube.com/@telesurenglish/videos
https://www.telesurenglish.net/
Here's Gustavo Petro's speech, accompanied by a fantastic UN interpreter https://www.youtube.com/watch?v=x225ak3DaK4
If you're going to hear one moment of the whole thing listen to this: https://youtu.be/x225ak3DaK4?t=502 "quiete simply obey them 💅"
I found YouTube links in your post. Here are links to the same videos on alternative frontends that protect your privacy:
Link 1:
Link 2: