Question: What industry did both Byambasuren Davaa and Sylvester Stallone work in?

Context articles: Jackie Stallone
The Expendables 3
The Story of the Weeping Camel
Escape Plan (film)
Sylvester Stallone
The Expendables 2
The Cave of the Yellow Dog
Byambasuren Davaa
Vic (film)
Over the Top (film)

Jacqueline Frances Stallone (née Labofish; born November 29, 1921) is an American astrologer, former dancer, and promoter of women's wrestling.
 She is the mother of actor Sylvester Stallone, singer Frank Stallone, and the late actress Toni D'Alto (by her ex-husband Anthony Filiti).
The Expendables 3 (sometimes stylized as The Expendables III) is a 2014 American action film directed by Patrick Hughes and written by Creighton Rothenberger, Katrin Benedikt and Sylvester Stallone.
 It is the third installment in "The Expendables" film series and the sequel to "The Expendables" (2010) and "The Expendables 2" (2012).
 The film features an ensemble cast, including Sylvester Stallone, Jason Statham, Antonio Banderas, Jet Li, Wesley Snipes, Dolph Lundgren, Kelsey Grammer, Randy Couture, Terry Crews, Kellan Lutz, Ronda Rousey, Glen Powell, Victor Ortiz, Mel Gibson, Harrison Ford, and Arnold Schwarzenegger.
The Story of the Weeping Camel (Mongolian: Ингэн нулимс , "Ingen nulims ", "Tears of the Camel") is a 2003 German docudrama distributed by ThinkFilm.
 It was released internationally in 2004.
 The movie was directed and written by Byambasuren Davaa and Luigi Falorni.
 The plot is about a family of nomadic shepherds in the Gobi Desert trying to save the life of a rare white bactrian camel ("Camelus bactrianus") calf after it was rejected by its mother.
Escape Plan (formerly known as Exit Plan and The Tomb) is a 2013 American action thriller film starring Sylvester Stallone and Arnold Schwarzenegger, and co-starring Jim Caviezel, 50 Cent, Vinnie Jones, Vincent D'Onofrio and Amy Ryan.
 Directed by Swedish filmmaker Mikael Håfström, and written by Miles Chapman and Jason Keller (under the anagram pen-name 'Arnell Jesko').
, the first film to pair up action film icons Stallone and Schwarzenegger as co-leads follows Stallone's character Ray Breslin, a structural engineer who is incarcerated in the world's most secret and secure prison, aided in his escape by fellow inmate Emil Rottmayer (Schwarzenegger).
Michael Sylvester "Sly" Gardenzio Stallone ( ; ] ; born July 6, 1946) is an American actor and filmmaker.
 He is well known for his Hollywood action roles, including boxer Rocky Balboa, the title character of the "Rocky" series' seven films from 1976 to 2015; soldier John Rambo from the four "Rambo" films, released between 1982 and 2008; and Barney Ross in the three "The Expendables" films from 2010 to 2014.
 He wrote or co-wrote most of the 14 films in all three franchises, and directed many of the films.
The Expendables 2 is a 2012 American ensemble action film directed by Simon West, written by Richard Wenk and Sylvester Stallone and based on a story by Ken Kaufman, David Agosto and Wenk.
 Brian Tyler returned to score the film.
 It is the sequel to the 2010 action film "The Expendables", and stars Sylvester Stallone, Jason Statham, Jet Li, Dolph Lundgren, Chuck Norris, Terry Crews, Randy Couture, Liam Hemsworth, Jean-Claude Van Damme, Bruce Willis, and Arnold Schwarzenegger.
 The story follows the mercenary group known as "the Expendables" as they undertake a seemingly simple mission which evolves into a quest for revenge against rival mercenary Jean Vilain, who murdered one of their own and threatens the world with a deadly weapon.
 It is the second installment in "The Expendables" film series.
The Cave of the Yellow Dog (Mongolian Шар нохойн там) is a 2005 Mongolian/German film written and directed by Byambasuren Davaa.
 The film was submitted as Mongolia's contender for the 2005 Academy Award for Best Foreign Language Film.
 It won the 2006 Deutscher Filmpreis Award for Best Children's Picture.
Byambasuren Davaa, really Davaagiin Byambasüren (Mongolian: Даваагийн Бямбасүрэн ; born 1971 in Ulaanbaatar), is a Mongolian film maker currently residing in Germany.
Vic is a 2006 American short film drama.
 It is the directorial debut of Sage Stallone, son of Sylvester Stallone.
 The film stars Clu Gulager, Tom Gulager and Miriam Byrd-Nethery with cameos by Carol Lynley, John LaZar, and John Phillip Law.
 Sage Stallone won the 2006 Boston Film Festival “Best New Filmmaker” award for this film.
 The film had its world premiere at the 2006 Palm Springs International Festival of Short Films, where the cast and filmmakers were in attendance.
Over the Top is a 1987 American sport drama film starring Sylvester Stallone.
 It was produced and directed by Menahem Golan, and its screenplay was written by Stirling Silliphant and Stallone.
 The original music score was composed by Giorgio Moroder.
 The main character, played by Stallone, is a long-haul truck driver who tries to win back his alienated son while becoming a champion arm wrestler.