Erdstalls Tunnels: Central Europe’s last great mystery

Across Europe, there are hundreds of underground tunnels that, apparently, lead to nowhere and about which any historic records have ever been found. They are mostly located in the southern German state of Bavaria and the nearby Austria, where they are known by the German name “Erdstall”, which literally means “place under the earth”. Locally, they are also called by various names such as “Schrazelloch”, or “goblin hole”, but also “Alraunenhöhle”, meaning “mandrake cave”, which reflects the various theories and legends associated with the mysterious tunnels. Some believed that they…

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Abandoned Bunkers of Salpalinja, Finland

In the early 1940s, tensions were high in Finland, as locals suspected that the Soviet Union, not satisfied with the territorial gains they had made during the Winter War (1939–1940), would plan another invasion.. As a result, in 1940, Finland began the construction of so-called Salpalinja (the “Salpa Line”), a system of more than 700 field fortifications made from concrete or excavated from rock along country’s eastern border. Stretching 1,200 kilometers from the Gulf of Finland in the south to modern-day Pechengsky, Russia, in the north, Salpalinja consisted of bunkers,…

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Dìxià Chéng: the “Rat Tribe” who lives in the Underground City under Beijing

The Rat Tribe: this is the name given to thousands of people (estimates vary between 150,000 and a million) living under the ground in Beijing, in what is called the Great Wall of the Underground. Dìxià Chéng, the Underground City, stretches under the heart of Beijing for 85 square kilometers, at a depth that varies between 8 and 18 meters, even if the real size of this huge complex of tunnels and bunkers has never been made Note. It must have been the safe haven for all six million inhabitants…

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