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The original Backrooms image posted on 4chan, of a HobbyTown under renovation.. The Backrooms are a fictional location originating from a 2019 4chan thread. One of the best known examples of the liminal space aesthetic, the Backrooms are usually portrayed as an impossibly large extradimensional expanse of empty rooms, accessed by exiting ("no-clipping out of") reality.
Suddenly a humanoid figure darts towards him, and he barely escapes through a crawlspace. After this, he travels through strange tunnels with warped stop signs and another red-lit city, eventually coming across a house in the middle of a room. Inside, he hears a man speaking on a phone. He explains that he is trapped in the Backrooms and needs ...
The body says "The Backrooms has been cited as the origin of liminal spaces" whilst the image caption reads "The Backrooms' popularity was inspired by the Internet trend of liminal spaces," seeming to contradict one another. "ABC News and Le Monde compared it" – recommend "ABC News and Le Monde have compared it"
A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.
In reality, the WAD is a liminal horror map loosely inspired by the 2000 novel House of Leaves by Mark Z. Danielewski, and the online urban legend The Backrooms. It also has a number of other references to other things on the internet considered mysterious, such as an area inspired by the art of Jared Pike, [ 42 ] and also using previously ...
A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage .
A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage gas. [4]
Effluent sewer systems are a much less common sewage disposal method than gravity sewer systems that use gravity, as well as pumping where needed, to send raw sewage and other wastewater straight from consumers to a sewage treatment plant. There are two main types of gravity sewers, sanitary and combined. Sanitary sewers only treat the ...