how positioning a plant over a rock?

[Al404]

I'm looking at some videos and in this at 0:57 there is plant that seems grown over a rock


how do you do that?

 

[X3NiTH]

Tie it, glue it, or stuff it in a crevice!

Tying with cotton thread (biodegradable), fishing line (non-biodegradable) or fishing bait elastic (biodegradable).

Glue with Cyanoacrylate.

 

[drodgers]

Not sure it looks like wood to me.
Theres so many way to attach plants since they basically grow hydroponically in a high tech tank ,they really dont need a substrate.

 

[Martin in Holland]

If you first have moss growing on some rock, it's very easy to add plants in/on that moss. Metal mesh would work fine too, just with moss you won't see that mesh at all.

 

[Al404]

thank, and roots will grow over moss? which kind of moss?
@Martin in China all your link in signature are broken except the 1st

 

[Martin in Holland]

thank, and roots will grow over moss? which kind of moss?
@Martin in China all your link in signature are broken except the 1st

Yes...all broken and I don't know why...
Anyway, plants in our tanks only really need roots to anchoring themselves and that's what they will do in moss, Java moss would do nicely.