OK,... there is this "professional" recording forum, where it seems that there is a right of passage, that of recording in DeccaTree.
To that end, there have been some ridiculous rigs posted that, IMO, threaten the very safety of the patronage at concerts.
So, I'll start this with a bit of ridiculousness that I found in a random internet search while looking for silly "Tree" rigs, below.
In this image,... there is a DeccaTree. To support that DeccaTree is an outlandish array of a higher "T-Bar" that has cables on it that reach down to support the DeccaTree. That higher T-Bar is counterweighted by a massive rearward counterweight. And, in all likeliness, 30lbs of sandbags on the floor, on the base of the mic stand.