The underground power station
http://www.fractalforums.com/index.php?action=gallery;sa=view;id=7230Enjoy this.
Here the params:
Mandelbulb3Dv16{
N.....9/...61...cD...26...EGTBW9P.W..T/EM.aLCh3ERa6gclWvE.gvsC1KopHMzKi/fTwrqBzj
................................jUlCjouG9.2........Y./..................7/2.....
................/M.0/....6k22...q/...2E0.....EE5KtTCJ2oD/.UBTI/E...B0dNaNu1.OaNa
z.klNHTD/.../2kAENRmMFN3.D7uw6ez0fojfdSiL1hI7z9..................y1...sD...../..
.w1...sDGag8YjXAVqP/YfpyKzNGzAAKCiVoxHbj.OSbBVqi2x1aIi46Cp8OyIpye6WTSsnDyNTgYsb5
yw1bOrp71iDQyepjUj2OvGoj......ol7.....................sD.Akz0...................
..............................LRG9.0q7h.UObo0UnRG9.or7h.cVbo0.ESG9..............
................yzD..EwhH.kJ.UA.31...A0....D....U0...A0...EJ....O/...MXq...UiFYg
...U.0aZczDM6/nzMg2czX6dE16.0c..zrhe.cVoK/nl2xvjQvM93P58iz1...........U.8.UQgk0.
IwUmc2beYz1RdA8E5Exwz0..........V6V0.waHc.UCyrjN/TfzzYHbG7eFT5uj..........E/0c..
6V2G.................................IU.8..Ak.1.................................
JI01xH9OG/.305b792UvzaRdHng129vjjyDGa9yBPz9..UTVR..y3q/.zz/k.1A..1Ak.szDsnwF.UDn
5/EzThdht0kaqa9.Qs5y3q/.sLM5..bTsLM5.UTVR..lyVTVR..y3q/.Mw5y3q/.sLM5.kqTsLM5.UTV
R..kzVTVR..y3q/....y3q/.zz/k.1A.yz1yAT2.xzpaqa9.................................
E6...I....E.....I....k....EHZtqNZ7rGjB4OK71...............................U/4MU/
4M.................0./........zD..........E4JJJJJJJpz........s0E........i.A.....
..U9.1.......s2E........i.2.......U9.1.......02E........Y.2.....................
.....................k...../....1....2IPVdLOiR460x4S.65.........................
.Qk0.........................U.k...................../..........................
................................................................................
................................/....M....k.....4x4PYZaPb/GGiF56ExqR............
..........U0.U............................2.......gQ./.........E........kz1.....
................................................................................
..........................................E.....I....E....kL1J4PoZqMBx4NZ/......
...................................................wz0.......U.k........kz1.....
...wz...........................................................................
......................................................N....3....3....2YEjVbJV7LS
HBKMgJ4..........................Q.............................EGVf53iSI6z1.....
...../........zD........E.2.....................................................
................................................................}