I recently had some very strong changa in my hands. Brought it over to a friends house and we both sat on his bed with my GVG and torch lighter ready. I told him to take 4 solid hits, and hold in for 15 seconds each.
He has had low dose trips around 10 mg with mild CEVs. This way way beyond that. He took 4 solid rips and laid back. 5 mins into the experience he was silent and still. 10 mins he opened his eyes and looked at me and smiled. He explained to me that he went to some alien space ship with beings of light and energy.
He explained that these beings told him how they traveled to earth using their technology. He said that these beings said that they were partially physical, but also partially non physical. He said they also told him that everything is energy and show him that even though he goes to the gym and works out, he is just a vessel for an energy body and that working out the muscles of the body is not anything similar to the energy body.
He was then lead down a hallway in their spaceship and suddenly a cone of vision appeared and he said they see our planet from their space ships but from a distance. He said they see the planet as whole through some telescope like vision.
That was pretty much the story. I was sitting with him the whole time. Cool experience, even from an outsiders perspective.