U.S. pilot Melissa Pemberton, performs a stunt during the "Ilopango Airshow 2015", in the air base of Ilopango city, El Salvador, on Feb. 1, 2015. According to local press, the show, that is also called "The Flying Circus", presents for the first time this year a joint event between the aerial acrobats and motorcyclists of the "Big Air Insanity Tour", and the funds raised will be destined to the Intensive Care Unit of the National Children's Hospital Benjamin Bloom of El Salvador. (Xinhua/Edwin Guzman)