ALMA has set up a YouTube channel for video materials. This can be found at:
https://tinyurl.com/ALMA-Partnership
A previous ALMA YouTube channel can be found at https://www.youtube.com/channel/UCTwwGoA-fGg2OX4p_yQF6tQ
The first two videos are of the Pilgrimage from Lebombo to London in July 2017: