The Power Within This power yoga class will take your practice deeper. Each and every one of us has immense power already within us, we may just not realize it. Set amongst the epic background of Nu Boyana Studio’s London St. Paul’s Cathedral set, this extra special power yoga class will move you, challenge you, strengthen you, soften you and inspire you to dive deep and find your power both in life and on the mat. What are you waiting for? Are you ready to tap in?