Beneath the streets of New York City, there's a massive 25,000 pair sneaker collection

The resale sneaker industry is estimated at over $1 billion. Located in New York City, Stadium Goods is a major player in the game offering rare and exclusive sneakers on consignment.

With high demand and a constant stream of people dropping off shoes to sell, they have amassed an enormous collection.

Produced by Sam Rega and Josh Wolff

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