Gates to Tartarus Picture

In fractal terms not very exciting I guess. It is just a TransKockIFS twice iterated with one logspIFS.
But the kids are reading Percy Jackson at the moment - all about Greek and Roman mythology - and when they saw some temple like structures they asked me to create something which could be part of their story.
So here are the gates to Tartarus - the dungeons where the gods keep the Titans prisoners.
Feel free to look around the interactive version using fieldofview.com

Oh yes, and here are the parameters:

Mandelbulb3Dv18{
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................................8sIMoRH4.02hMNjTGCE6.7aW/...............8/2...2E
...Uz6...UwPV.../MU1/....2UY3...j....6k4.....o070NfLCjdD/.........250pAnAr1....m
z.EnAnQD1A../..........wz.................................U0.....y1...sD...../..
.zHnAnQDW.qkO9TwAvXrB.uLidIOys9GTzSIfybDap6c9BOCztvPzCkgn4rTyOtH9WHTingDtW4eEkFO
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.................02...sD.Ghczw1...................................ER0gJE3....k1.
.....Ksulz1.....yzzzIwjapU/L.w4......A0...kV....E18R/k6..Uk2....S....2GB..EiJp5g
ecn/hBaMV7ySrJ5aOZYBbZKOd/06Kc..2JoH...osMgdlHzD6UNAT2kY6z1...........W38.UBy22.
.IsffaWeYz1.2RiGMQZhzA...........MW0.UZNq/..2RiGMQZhzqVAZRBEi7yj.gM3ZaYq1z9.Kc..
1GNd..EbG7eFT5uDNBk5eP./cz9..........oF68szdNJ0..ApKQUUTuz18kRdIp0byz..kKTKW1q/k
UQV0.IKQs/..R8Zc4xRcz..0.p4HE3zD.ctwMy5pQ.A..kSsL.EHVM/wEeFiEt1.cxo7kjHHviW7.g5P
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K.D.yd4Sp/EHVM/w...crIGJzzFoTuIdyzngi8qdxzZX.4rUm.nLmsWOkR4.....................
E....6E.F2U.....I....k.....Jm3aPnpmGjB4O7NoI.............................MU/46./
...................kzCnAnAnAnAvDOaNaNaNady9........uz0.......6zD................
...7./......EZ2kPJ/F2F2F2z1.......k0./.......6zD.......a7l9.....................
.....................2.....3....C....kqPbB5Q7NoI................................
.sU1....06..0MU/4E....ACJdI2F2ujoAnAnAnAHz1.......c2.1....................EnAnAn
AnAwz...................Q.oAnAnAnAHxz........................................UyD
................................}
{Titel: GatesToTheUnderworld2}
Tartarus
Military Junta of Tartarus
Gates to Tartarus
Cronos Classic Mythology Sketch Card
Tartarus