Bill Bailey likes being underground...

[mikem]

Fremantle Prison water tunnels at end of part 3:

https://www.channel4.com/programmes/bill-baileys-australian-adventure

Fremantle Prison Tours I Perth's Only World Heritage Site

Choose from our range of exciting tours. Visit Fremantle Prison one of Western Australia’s most fascinating cultural attractions.

fremantleprison.com.au

 

[RobinGriffiths]

Strewth..

 

[davel]

Interesting report on the tunnels at https://museum.wa.gov.au/maritime-archaeology-db/sites/default/files/no._191_prison_watercraft_0.pdf

Dave