Renzo Gracie is a legend in BJJ and MMA and his world-class gym in the heart of Manhattan is a giant facility that caters to all manner of practitioners. From UFC champions to hobbyists, the famous blue mats are home to many different people from all walks of life.

What is it that makes this gym so special, and why have they produced so many excellent fighters? We went inside and met with the people who know it best in an effort to find out.

Film by Hywel Teague for BJJ Hacks
http://www.bjjhacks.com/