By Laura Forsyth At City A.M., we’ve got our finger on the pulse of wellness trends. Join us as we showcase the best of London’s fitness and wellbeing scene with Sweat and the City. Sweat and the City reviews the most talked-about classes and wellbeing experiences to help you reach your goals in a fun and inspiring way. This weekCity A.M. heads along to Alliance Jiu Jitsu London. Brazilian jiu jitsu reviewVenue: Alliance Jiu Jitsu London Class: Brazilian jiu jitsu Attraction: State-of-the-art boutique jiu jitsu school Cost: Class and membership options available from £45 Vibe: Modern and eleva…