.___ . ..__
_
_- . . ___ . . . __._
_ . __ . . _.
_-=. . . ..~-..
_--.. . . . . ..._,
..-_ . . _-._
.
_
... . . ...__ . _..
_.». . . ..
._«.. _ . . ..
tunnel
_
we at:
maintenance shaft
xm
_
it's small but you can squeeze through.