Craig Hannah:
The Western end of the Central Tunnel (58)
Craig Hannah:
Eastern end of the Central Tunnel
Craig Hannah:
Within the Central Tunnel
Craig Hannah:
Central Tunnel
Craig Hannah:
Approching the Western end of the Central Tunnel
Craig Hannah:
Werneth Tunnel from the Central Tunnel
Craig Hannah:
Refuge in the Central Tunnel
Craig Hannah:
Eastern end of the Werneth Tunnel
Craig Hannah:
The Werneth Tunnel
Craig Hannah:
Western end of the Werneth tunnel