underground structure (Q12146012)
man-made underground structure
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Current Data About underground structure
(P279) (Q811979)

(Q863404)

(P373) Underground structures

(P461) (Q130391302)
(P1013)

(P910) (Q15648368)

(P948) Banner Metropolitan Area Outer Underground Discharge Channel catwalk.jpg

(P1343) (Q2657718)

other details
aliases subterranean building
 underground building
 underground construction
 underground facillity
description man-made underground structure

External Links
(P691) ph124177
ph192881
(P1014) 300008046
(P1051) 10398
(P2671) /g/120_m0xy
(P2924) 3149692
(P3827) underground-buildings
(P7033) scot/2932
(P9545) 198939
(P11514) podzemnye-sooruzheniia-154585