But even if you don't have a lot of land, your home could still ... and dig, and dig. Their tunnels can be anywhere from half a meter deep to 1 1/2 meters deep, and they can be up to 18 meters ...

When those plans fell through, it was sold to the Hawaiian Islands Land Trust and has gone ... students and volunteers got to work digging trenches as deep as 8 to 10 feet with the goal of finding ...

The trenching machine is used to lay down water pipes and fibre optic cable. It can dig holes up to 5.5 metres deep and 1.5 metres wide. Produced by Jasper Pickering. Special thanks to Leon Siciliano.