The diggers guided by satellites and drones May 28, 2019 at 04:01PMhttps://https://bbc.in/2EC5qwg Moving earth is messy - but new technology means we can dig with an accuracy of a few centimetres.

Moving earth is messy - but new technology means we can dig with an accuracy of a few centimetres.

from BBC News - World https://bbc.in/2K7sLcV