"Krav Maga 2010"-the biggest event of Krav Maga in history, gathering the great masters of Krav Maga worldwide and delegations from 28 countries, through seminars, lectures, workshops, cultural events and night of tributes. All this was registered in the Guinness Book of Records, with the largest self defense class in history, held by the Grand Master Kobi on the sands of Copacabana.