Question: What type of films are About Baghdad and Kon-Tiki?
Context: The Chester Concession, approved by the congress of the newly founded Republic of Turkey on April 10, 1923, allowed United States development of oil and railways.  It was an award of the significant importance and marked the introduction of U.S. capital for the first time on a large scale into the Near East.  The same type of agreement (Baghdad Railway) was a major cause of the anxiety which led the Ottoman Empire to World War I.  Germany had obtained concessions from Ottoman Empire which allowed German companies to construct railways. Lepidogma wiltshirei is a species of snout moth in the genus "Lepidogma".  It was described by Hans Georg Amsel in 1949 and is known from Iraq (including the type location Baghdad). Tobias Santelmann (born August 8, 1980) is a German-born Norwegian actor.  He is best known for starring in the Academy Award-nominated film "Kon-Tiki" (2012).  He has also had supporting roles in the films "Hercules" (2014) and "Point Break" (2015).  He currently stars on the television series "The Last Kingdom" (2015–present). Kon-Tiki is a Norwegian-Swedish documentary film about the Kon-Tiki expedition led by Norwegian explorer and writer Thor Heyerdahl in 1947, released in Sweden, Norway, Finland, and Denmark in 1950, followed by the United States in 1951.  The movie, which was directed by Thor Heyerdahl and edited by Olle Nordemar, received the Academy Award for Best Documentary Feature for 1951 at the 24th Academy Awards.  The Oscar officially went to Olle Nordemar.  It is currently the only feature film from Norway to have won an Academy Award. Gustaf Caspar Orm Skarsgård (] ; born 12 November 1980) is a Swedish actor.  He is best known outside Scandinavia for his role as Floki in the History Channel series "Vikings" as well as for his roles in the films "Evil" (2003), "The Way Back" (2010) and "Kon-Tiki" (2012). Khairiya Al Mansour is an Iraqi film maker and director.  Born March 28, 1958 in Baghdad, Khairiya studied there from 1976 to 1980 at the Academy of Arts, and in Cairo at the Higher Film Institute in 1987.  She was an assistant director to well-known Iraqi and Egyptian directors such as Salah Abu Seif, Tewfik Saleh, and Youssef Chahine.  She herself has made around forty documentary films for the Iraqi ministry of culture and for private producers.  She has also directed two full-length films.  When the international embargo against Iraq brought about the collapse of the film industry there, she started working for Iraqi and Jordanian television.  She divides her time between Baghdad and Cairo. Jakob Hoff Oftebro (born 12 January 1986) is a Norwegian actor.  He has appeared in more than twenty films since 2004 including "Kon-Tiki", which was nominated for the Academy Award for Best Foreign Language Film at the 85th Academy Awards. About Baghdad is a documentary film shot in Baghdad, Iraq in 2003.  It is the first documentary film to have been made in Iraq following the fall of the Baath regime.  The film features the artist Sinan Antoon as he returns to his native Baghdad.  It privileges the voices of native Iraqis from all walks of life, as they present their views on life during the regime of Saddam Hussein as well as the United States's bombing, invasion, and occupation. The PC class was a type of standard gauge passenger steam locomotive on Iraqi State Railways.  In 1940 the ISR completed the Baghdad Railway between Baghdad and Tel Kotchek on the border with Syria, enabling the "Taurus Express" to start running between Istanbul and Baghdad.  In 1941 Robert Stephenson and Hawthorns built four Pacific locomotives for ISR to haul the new through service on the Iraqi section of its route. Olof Harry "Olle" Nordemar (25 July 1914 – 18 February 1999) was a Swedish film director, film editor, film producer, cinematographer and screenwriter.  Nordemar is best known as the producer behind Olle Hellbom's films based on novels by Astrid Lindgren.  Nordemar edited and produced the Norwegian-Swedish documentary "Kon-Tiki" (1950) which received the Academy Award for Best Documentary Feature for 1951 at the 24th Academy Awards.
Answer: Documentary