1
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underground tunnels
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China
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Underground tunnels in China are used for transportation, military defense, and historical purposes.
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4
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2
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underground tunnels
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North African countries
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Underground tunnels in North African countries are linked to historical sites and ancient civilizations.
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4
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3
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underground tunnels
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East Asian countries
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Underground tunnels have been used for military defense and secret passages in East Asian countries, particularly in historical contexts.
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1
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4
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underground tunnels
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France
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In France, underground tunnels are often associated with wine cellars, particularly in regions with extensive underground cellar systems.
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1
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5
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underground tunnels
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Mexico
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Ancient Mayan and Incan civilizations in Mexico are frequently associated with extensive networks of underground tunnels and cities.
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1
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6
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underground tunnels
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Nordic countries
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Underground tunnels in Nordic countries were historically used for mining and resource extraction, such as iron-ore mines.
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1
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7
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underground tunnels
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Pacific Island countries
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Underground tunnels in Pacific Island countries are tied to traditional customs and rituals, symbolizing important aspects of indigenous cultures.
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1
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8
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underground tunnels
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Papua New Guinea
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Papua New Guinean culture is connected to traditional customs and rituals, including the symbolic significance of underground tunnels and caves.
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1
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9
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underground tunnels
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South American countries
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Underground tunnels in South American countries are often associated with ancient Mayan and Incan civilizations, featuring networks of tunnels and underground cities.
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1
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10
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underground tunnels
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South Asian countries
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Underground tunnels in South Asian countries are culturally significant due to their association with religious and spiritual practices.
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1
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11
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underground tunnels
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Sub-Saharan African countries
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Underground tunnels in Sub-Saharan African countries are associated with ancient gold mines and historical underground chambers.
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1
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12
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underground tunnels
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Zimbabwe
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In Zimbabwe, underground tunnels are associated with ancient gold mines and historical underground chambers.
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1
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13
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underground tunnels
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mining community in Europe
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Underground tunnels are essential and familiar workspaces in Europe's mining community, prioritizing safety and efficiency.
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1
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