What's this?

[Banjankri]

Hello guys,
I was amazed by this altar, and all altars that are designed in this way. Can you tell me what it is? How is it called, how it is made, and for what purpose exactly?
Informational links will be highly appreciated.

 

[DawudTalut]

Peace be on everyone and followers in this Dir.
With Good Intention:
Since answer has not come yet for above query, I took the liberty to check it in google and found this is

Sheikh Lutf Allah Mosque,Isfahan, Iran

6th item from top
@ The 20 Most Beautiful Mosques in the World

More @
Sheikh Lotfollah Mosque - Wikipedia, the free encyclopedia

 

[Shia Islam]

Here is another 1...As in your case, i can only say What is this?!!!

>>>It's Nasir Al-Mulk Mosque in Iran

 

[Banjankri]

I am mostly interested in that part of an altar:

There is a clear resemblance between those motives. It must mean something, or at least be based on a some special idea.