Tolong jelaskan mengenai Bersih dari Perhimpunan Bersih 2011 dalam bahasa melayu

Ambiga Sreenevasan, Mohamad Sabu, Hishamuddin Rais, Khairul Anwar Ahmad Zainuddin, Maria Chin Abdullah, Chua Tian Chang, Kamarulzaman mohamad, Mohd Hatta Md Ramli, Syed Shahir Syed Mohamad, Syed Ibrahim Syed Noh, Teresa Kok, Badrul Hisham Shaharin, Shamsul Iskandar Mohd Akin, Arutchelvam Subramaniam, Wong Chin Huat, Ong Boon Keong, Enalini Elumalai, Haris Fathillah Sathiasingam Mohd Ibrahim, Dr Zubir Harun, Abdul Hadi Awang, Anwar Ibrahim, Lim Kit Siang, Nik Abdul Aziz Nik Mat, Nurul Izzah Anwar, Kohila Yanasekaran, Zaid Kamaruddin, Khoo Teng Swee, Fadiah Nadwa Fikri, Yap Swee Seng, Salahuddin Ayub, Mahfuz Omar, Nasaruddin Hassan, Mazlan Aliman, Dr Syed Azman Syed Nawawi, Dr Dzulkefly Ahmad, Dr Mujahid Yusof Rawa, Khalid Abd Samad, Mohammad Nizar Jamaluddin, Azman Shapawi Abd Rani, Suhaizan Kaiat, Nor Azli Musa, Mohd Firdaus Jaafar, Loke Siew Fook, Lai Wen San, Mohamed Azmin Ali, Mat Shuhaimi Shafie, Satiful Bahari Mamat, Wan Hassan Mohd Ramli, Mohamad Izzuddin Hilmi Mohd Zaini, Mohd Shazni Munir Mohd Ithnin, Muhammad Hilman Idham, Mohd Shukri Che Ab Razak, Ahmad Syazwan Muhammad Hassan, Choo Chon Kai, Sarasvathy Muthu, Soh Sook Hwa, Nurul Izham Nurul Anuar, Abd Rahim Osman, Mohd Sibri Ismail, Mohd Lukman Muda, Mohd Noordin Abdullah.