Statistics: Tunnelling and Underground Space Technology

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Geo Map
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Region #
AS - Asia, other 4
Unknown 10
Total 14
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Country #
VN - Vietnam 4
Unknown 10
Total 14
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City #
Biên Hòa 1
Bắc Ninh 1
Thái Nguyên 1
Tây Ninh 1
Unknown 10
Total 14
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
2026 130 1000 0000 00 14
Ever 14