What's happened to Mansfield and Ashfield's former collieries?
It is not all that long ago that tens of thousands of men in Nottinghamshire worked down coal mines.
Just a few years after the last of the pits closed and there is now almost no visible trace of the once-colossal infrastructure which once supported the industry. Your Chad has taken a look at what was there before, and what there is now on the sites of some of the area’s biggest former coal mines.