Secret Passage

Mandelbulb3Dv18{
b.....S....O/...s/...2....Ef7xHzq80yzyr0g.7pxt1Ej0vY1diFGzvJAxxS5gkvzmQq0g.7pxxD
..........................................2........Y./..................1/2...wD
...Uz.....EF..../MU//.....UQ....40...6E3.....omEQgisq6qD/..........m/dkpXm1....U
z.....kD12../2.........3./.................................u1....y1...sD...../..
.z1...sDWkQX6WG68wvl2ZZmSsvuzsNTcXTSZzxjvgNBLl0.hzf93nsG0LjmzQmqI2BRoRxDILm72QL1
PzHVOevJjVCrzoP77H3LYYyD......oH..............sD.6....sD..E.....................
.............oAnAt1...sD....z.rbv4.2UiP.k0ui/.Jcv4.wViP.E8ui/.ncv4......P....k1.
.....AQxcz1.....wzzz8.....UO..6......Y1....A....p.pt6g7.kQ.F....5/...IHB..EiJ352
mQ1U.0Ak.1.k.1A.......6U.0..Kc...1Ak...UCW0tRhyD4A72QifFDz1...........035xjhuiA.
.Ak5eP./cz9.hE2Jv5Guz...........VEV0.6oKp/..0PJWp1PyzQlYEkti4xvD..........E.Gc..
mcV0..kuvBTuCfuj.iySnbiney9..........2l28.EITs/............83yuedc8tz0.Ra9hwxv.k
/QU0.2FAZ.............klrlkCx9yj.6wTJHz2Vz1..A8UP0.ID/3IzzFZtW4.miwY9vzDhu7W.sIH
AtIzThefL0kj/9PkQs5e3i6.lmOfl0bTHNZS.s5U3K6lyFeEE0EdE4OdMwbL1S7.348gkmqT9C3a.gOa
k09kz7NRY0.6OE07...cU08czz/cU08cyz1cU08cxz3cU08c................................
E....6....E.....2....A....EEh3aSdtqNU6oPs/UQ..........................k/9.......
..........UNaNaNaNa../........yDBnAnAnAnoz1.....................................
................................................................................
.....................A.....3....5....2YEjVbJHB3OV/LNn/..........................
.Q...6.......................E.E........Uz1........wz...................kzXNaNaN
aNaxzcNaNaNaNayD................................................................
................................}