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.
Clipstone CollieryClipstone Colliery
Clipstone Colliery

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.