Minecraft redstone honey block lift?

mo
1

I have just seen a clip in which someone with a button has a 20x20 Platform fly through some technique with mucus and honey blocks down and up, now my question would be:

1. How can you build something like this?

2. Why could not you build something like that with slime blocks?

3. Does anyone of you find a tutorial?

4. There was also a clip in which the floor was pulled down, and then to the side, how would such a thing be built?

We

At mumbo jumbo you can see everything, honey blocks act like blocks of mucus, but they do not adhere to them.