Photos: Copter crash kills 2 French Olympians, elite sailor, 7 others in TV shoot in Argentina

Investigators collect items on March 10 from the wreckage of two helicopters that collided mid-air in northern Argentina, killing 10  (Juan Mabromata / AFP/Getty Images)

People are seen near the two helicopters which collided mid-air near Villa Castelli, moments before the accident in the Argentine province of La Rioja, on March 9, 2015.  (ALDO PORTUGAL / AFP/Getty Images)

A man stands near one of two helicopters that crashed near Villa Castelli in the La Rioja province of Argentina on March 9.  (Jose Alamo / Associated Press)

Two helicopters collided mid-air near Villa Castelli, in the Argentine province of La Rioja, on March 9, killing 10.   (Aldo Portugal / AFP/Getty Images)

People look at the burning wreckage of two helicopters that collided mid-air near Villa Castelli, in the Argentine province of La Rioja, on March 9.  (Aldo Portugal / AFP/Getty Images)

The crash killed Olympic medalists, swimmer Camille Muffat and boxer Alexis Vastine, contestants on a “Survivor”-like French reality TV show “Dropped.”   (Gabriel Gonzalez / Associated Press)

A woman signs a book of condolences on March 10 at the City Hall of Nice, France, in front of a poster of French Olympic gold medalist swimmer Camille Muffat, who was among 10 killed in a helicopter crash.  (Valery Hache / AFP/Getty Images)

Camille Muffat celebrates winning a swimming gold medal during the London 2012 Olympics. Ten people including several French athletes were killed on March 9 when two helicopters collided in northern Argentina.  (Patrick B. Kraemer / EPA)

France’s Alexis Vastine, after a preliminary boxing match at the 2012 Summer Olympics in London, was among 10 people killed in a helicopter crash in Argentina.  (Patrick Semansky / Associated Press)

French skipper Florence Arthaud, shown in 2007, was among 10 people killed when two helicopters collided in Argentina on March 9.  (Marcel Mochet / AFP/Getty Images)