|
gptkbp:instance_of
|
gptkb:cave
|
|
gptkbp:associated_with
|
gptkb:Korean_War
|
|
gptkbp:breathability
|
gptkb:Limited
|
|
gptkbp:constructed_in
|
gptkb:North_Korea
|
|
gptkbp:construction_started
|
1970s
|
|
gptkbp:depth
|
73 meters
|
|
gptkbp:discovered_by
|
gptkb:1978
|
|
gptkbp:discovery
|
gptkb:Geologist
Dora Mountain
|
|
gptkbp:first_tunnel
|
The First Infiltration Tunnel
|
|
gptkbp:fourth_tunnel
|
The Fourth Infiltration Tunnel
|
|
gptkbp:geological_features
|
Granite rock
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
The Third Infiltration Tunnel
|
|
gptkbp:is_accessible_by
|
gptkb:South_Korea
|
|
gptkbp:length
|
1.7 kilometers
|
|
gptkbp:location
|
gptkb:South_Korea
|
|
gptkbp:managed_by
|
Korean government
|
|
gptkbp:military_branch
|
gptkb:Korean_People's_Army
|
|
gptkbp:number_of_tunnels
|
gptkb:Four
|
|
gptkbp:part_of
|
gptkb:Korean_Demilitarized_Zone
|
|
gptkbp:purpose
|
Military infiltration
|
|
gptkbp:second_tunnel
|
The Second Infiltration Tunnel
|
|
gptkbp:significance
|
gptkb:military_strategy
|
|
gptkbp:tourist_attraction
|
gptkb:Yes
|
|
gptkbp:tunnel_construction_date
|
gptkb:1974
|
|
gptkbp:tunnel_construction_method
|
Manual labor
|
|
gptkbp:tunnel_construction_workers
|
gptkb:North_Korean_soldiers
|
|
gptkbp:tunnel_discovery_impact
|
Increased tensions
|
|
gptkbp:tunnel_discovery_team
|
South Korean military
|
|
gptkbp:tunnel_entrance
|
Near the DMZ
|
|
gptkbp:tunnel_excavation
|
Difficult terrain
|
|
gptkbp:tunnel_exit
|
Near Seoul
|
|
gptkbp:tunnel_height
|
2 meters
|
|
gptkbp:tunnel_historical_context
|
gptkb:Cold_War
|
|
gptkbp:tunnel_historical_event
|
Discovery led to investigations
|
|
gptkbp:tunnel_historical_significance
|
Symbol of conflict
|
|
gptkbp:tunnel_international_relations
|
Affected by tensions
|
|
gptkbp:tunnel_media_coverage
|
Extensive
|
|
gptkbp:tunnel_military_drills
|
Conducted regularly
|
|
gptkbp:tunnel_military_operations
|
Conducted in secrecy
|
|
gptkbp:tunnel_military_significance
|
Strategic advantage
|
|
gptkbp:tunnel_public_awareness
|
Increased after discovery
|
|
gptkbp:tunnel_purpose
|
Infiltration and espionage
|
|
gptkbp:tunnel_security
|
gptkb:High
|
|
gptkbp:tunnel_security_measures
|
Enhanced after discovery
|
|
gptkbp:tunnel_strategic_location
|
Near border
|
|
gptkbp:tunnel_surveillance
|
Constant
|
|
gptkbp:tunnel_width
|
1.5 meters
|
|
gptkbp:used_for
|
Surprise attacks
|
|
gptkbp:visitors_per_year
|
Thousands
|
|
gptkbp:wing_configuration
|
gptkb:None
2 meters
|
|
gptkbp:bfsParent
|
gptkb:Paju_City
|
|
gptkbp:bfsLayer
|
6
|