The thumbnail is a design object ie car hanging;
From iron beams in an ex mine now museum .
In the reel;
first picture is of an open air library in a quarry (China)
The second is of a design exhibition in the Zollverein in the old coal mines in Essen Germany ...."The Red Dot Design center " is a design museum displaying over 2000 objects .....
The 3rd picture is of an ex mine in Victoria Australia which is now used as a laboratory.....
