>>5054232 (lb)
I think I found the place the soldiers were coming from in downtown LA video:
The entrance the soldiers are seen leaving at 1138 Wiltshire Blvd and the three palm trees line up.
https://www.beachcalifornia.com/atca/museums-zoos/los-angeles/1-guatemalan-house-of-culture-213-250-3416.html