Question: Land of Silence and Darkness and Gates of Heaven, are films of which genre?
Context: Seven in Darkness is an American made-for-TV adventure film directed by Michael Caffey and based on the novel "Against Heaven's Hand" by Leonard Bishop.  The premiere entry in the 1969–76 series ABC Movie of the Week, it was broadcast on September 23, 1969.  The film is affectionately recalled by Ethan Coen in "The Old Country", story 2 in his 1998 collection "Gates of Eden". Gates of Heaven is a 1978 documentary film by Errol Morris about the pet cemetery business.  It was made when Morris was unknown and did much to launch his career. The Line 4, or Noapara Barasat Line of the Kolkata Metro.  It is a 18.50 km long metro from Noapara to Barasat is under construction, It is being built by RVNL.  It is a fully elevated corridor.  It will have an interchange station at the airport with line 6 of the Kolkata metro.  The future of the project beyond airport is still in darkness due to land problem.  After Kolkata airport the metro route will pass through a land owned by a private company.  When the project was sanctioned, then railway minister Mamtaa Banerjee vested this land for metro project but the company moved to High court against it making the future of the project beyond airport in darkness.  Till now so solution came.  The construction company L&T was given the tender for construction but due to no hope of getting rid of land problem beyond airport, they walked out from the construction.  In Barasat, heavy traffic jam is a burning problem for the citizens.  Metro project would have given them a breath.  But still now no hope arose to the citizens.  However, the future of the alignment beyond airport is still uncertain. Werner Herzog Eats His Shoe is a short documentary film directed by Les Blank in 1980 which depicts director Werner Herzog living up to his promise that he would eat his shoe if Errol Morris ever completed the film "Gates of Heaven".  The film includes clips from both "Gates of Heaven" and Herzog's 1970 feature "Even Dwarfs Started Small".  Comic song "Old Whisky Shoes", played by the Walt Solek Band, is the signature tune over the opening and closing credits. The Seventh Seal (Swedish: Det sjunde inseglet ) is a 1957 Swedish drama-fantasy film written and directed by Ingmar Bergman.  Set in Sweden during the Black Death, it tells of the journey of a medieval knight (Max von Sydow) and a game of chess he plays with the personification of Death (Bengt Ekerot), who has come to take his life.  Bergman developed the film from his own play "Wood Painting".  The title refers to a passage from the Book of Revelation, used both at the very start of the film, and again towards the end, beginning with the words "And when the Lamb had opened the seventh seal, there was silence in heaven about the space of half an hour".  Here the motif of silence refers to the "silence of God," which is a major theme of the film. The story opens with the imminent death of a 70-year-old sinner.  The man has never done a good deed in his life, and only with his last words did he address God and ask for forgiveness.  When the man dies his soul comes before the gates of Heaven, but they are locked.  The man knocks and knocks at the gates, but to no avail.  Finally, the Accuser decrees that such a sinner cannot enter Heaven, and all the man's sins are recited.  The sinner begs to be let in, but Peter the Apostle explains that such a sinner cannot be allowed in.  The sinner points out that for all of Peter's virtue, he still sinned by denying Christ.  He is still not let in. Land of Silence and Darkness (German: Land des Schweigens und der Dunkelheit ) is a 1971 documentary film about deaf-blind people and their experience of life.  The film was written, directed, and produced by Werner Herzog.  Rolf Illig provided narration. "The Promised Land" is a song by Bruce Springsteen from his 1978 album "Darkness on the Edge of Town".  It was released as a single in Europe, backed by another song from "Darkness on the Edge of Town", "Streets of Fire", the third single from the album after "Badlands" and "Prove It All Night".  "The Promised Land" was also included on the compilation album "The Essential Bruce Springsteen".  The song has been a staple of Springsteen's live shows since 1978, and has been included on several concert albums and videos.  The live album "Live/1975–85" includes a 1985 performance of "The Promised Land" from a concert in Los Angeles, California.  A performance of the song from a 2003 concert in Barcelona is included on the "Live in Barcelona" video.  A June 28, 2009 live performance in London from the Working on a Dream Tour was included on the "" DVD.  The box set "The Promise" contains video of three live performances of "The Promised Land", a 2009 performance from the Paramount Theater in Asbury Park, New Jersey, without an audience, a 1978 performance from a concert in Phoenix, Arizona, and another 1978 performance from a concert in Houston, Texas.  Darren Hanlon covered "The Promised Land" on "Play Some Pool, Skip Some School, Act Real Cool".  Eddie Vedder has also covered this song live. Darkness, also known as Darkness: The Vampire Version and Leif Jonker's Darkness, is a 1993 American independent horror film written, produced, edited and directed by Leif Jonker and starring Gary Miller, Randall Aviks and Mike Gisick.  The film was heavily circulated on the underground horror circuit and is famous for having a large number of exploding heads in it, more than any previous film of the genre.  The special effects were created by Leif Jonker and Miller, who plays a vampire hunter. Deathlike Silence Productions was a Norwegian independent record label founded in Oslo in the late 1980s that focused on black metal.  It was the first independent label to do so.  The label was founded by Øystein Aarseth, also known as Euronymous, who operated the label until his murder in 1993.  The name was derived from the Sodom song "Deathlike Silence" (from their 1986 release "Obsessed by Cruelty").  At first, the label mainly signed Norwegian acts, but as early as 1990 Aarseth had desired to establish a Swedish branch with Morgan Håkansson of Marduk, and towards its final years its scope was also broadened to other countries such as Japan.  Aarseth was considering signing Rotting Christ, Masacre (Colombia) and Hadez (Peru) before his death.  Before the label's demise it was planned to release Monumentum's debut album "In Absentia Christi".  Darkthrone had threatened to release their second album "A Blaze in the Northern Sky" through Deathlike Silence when Peaceville Records would not due to their sudden change in genre.  Voices of Wonder "took over Deathlike Silence Productions after the death of Euronymous."
Answer: documentary