Millions of hockey cards found in Cadillac Stamping Plant by YouTube exploration group

Detroit-based Detroit EXP – a YouTube account featuring the exploration of deserted and abandoned locations in the Motor City – has posted footage of a trip through a Cadillac Stamping Plant where the team found millions of hockey cards stashed away.

Check out the video below (and thanks to BarDown for the original find). The hockey card discovery takes place near the 16-minute mark.

UPDATE: More on the card find from right here.