tunnelsLength

4 triples
GPTKB property

Random triples
Subject Object
gptkb:Navy_Underground_Headquarters approximately 450 meters
gptkb:The_Mole_Man_of_Edge_Hill over 70 feet
gptkb:Great_Orme_Bronze_Age_Copper_Mine over 8 kilometers
gptkb:Jinping_Hydropower_Project 17.5 km (Jinping-II water diversion tunnels)