Ventilation Shafts facts
While investigating facts about Ventilation Shafts Crossword Clue and Ventilation Shafts Crossword, I found out little known, but curios details like:
An ancient city going 18 levels underground was found with thousands of ventilation shafts and could hold up to 20,000 people with schools, markets, churches, areas for livestock, and even tombs
how do ventilation shafts work?
There is a 'fake' townhouse in brooklyn heights that's actually a ventilation shaft for the subway.
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There are over 200 ancient underground cities in Turkey, some are big enough to hold 20,000 people. They have churches, ventilation shafts, and many are connected by tunnels.
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Albert Speer planned to kill Adolf Hitler in early 1945 by introducing a nerve gas into the Führerbunker ventilation shaft
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In 1983 the government of Indonesia prohibited any outdoor activities during a total solar eclipse. Locals are required to seal off all windows, ventilation shafts and glass tiles to prevent sunlight from entering their houses.