#52 is the street number of the our Gracie Humaita Brazlian Jiu Jitsu (BJJ) Academy in Rio de Janeiro, Brazil. When you arrive at the first time in Rio, just ask to the cab driver: “Humaita #52, please” and he will take you to our International HQ. On this address thousands of students had and still have the opportunity to learn the pure Gracie Jiu Jitsu. GRACIE HUMAITA, THE MOST TRADITIONAL JIU JITSU ACADEMY IN THE WORLD!!!