Boolboonda Tunnel and Lake Monduran

The Boolboonda Tunnel is Australia’s longest unsupported man-made tunnel, stretching 192 metres through solid rock. Built in the 1880s as part of a railway line linking Mount Perry’s copper minesЧитать далее
The Boolboonda Tunnel is Australia’s longest unsupported man-made tunnel, stretching 192 metres through solid rock. Built in the 1880s as part of a railway line linking Mount Perry’s copper minesЧитать далее