D&D 5E [PotA] Cult symbols in Halls of the Hunting Axe

[ymd.fallen]

!!Spoiler alert for players of Princes of the Apocalypse!!

I'm running a table of Princes of the Apocalypse and my players are now close to being intoduced to the side trek "Halls of the Hunting Axe". While its overall story sounds quite interesting and fits well into the general story arch, there is one thing that I don't understand: in the Ancient Hall (X4, page 184) there are the symbols of the four elemental cults carved into the ceiling.
But why? Why would the Besilmer dwarves put them there? And even if they were added later on, why would they be necessary to get the dwarven machinery working? I don't find any answers in the book and google only gave me one other DM with the same problem and also no answers (https://www.reddit.com/r/DnD/comments/3s1qyh/pota_whats_up_with_the_halls_of_the_hunting_axe/)...
Any ideas?

 

[George Krashos]

How about: the designer thought it was a cool thing to add to his adventure and didn't really think about the context and realmslore involved? It's no different from the whole concept of the "Adventurer's League" - just why would a group like the Emerald Enclave involve itself in the affairs of the North? Exactly.

-- George Krashos

 

[CapnZapp]

Occam's Razor indeed, George. Yep.

 

[ymd.fallen]

Yeah, you're right, but I still need some idea about how to solve this problem... Maybe I just change the symbols to some dwarven writings or so...

 

[ryan92084]

I don't recall the Howling hall lore (we haven't made it that far) but you could make the carvings relatively recent additions from when the hall was used as a neutral meeting ground for the cults at some point in the past.

 

[jrowland]

The dwarves were aware of the elemental nodes. This is the way the dwarves entered the "temple" levels (they didn't think of them as temple levels). The tunnels to the surface sites (monastery/rivergard keep, etc) were added later, post Belsimer.