Sentences with phrase «subterranean tunnel system»
This mysterious subterranean tunnel system defies explanation.
http://expand-your-consciousness.com/ Not exact matches
Challenges include navigating tunnel network, subterranean transit system and natural caves
The final competition, which will take place in 2021, will include three challenges that involve navigating in one of three environments: a network of human - made tunnels, a subterranean municipal - transit system and a network of underground natural caves.
Snorkel through pitch black caves of the Sac - Actun subterranean cave and tunnel system at Jungle Maya ecopark, operated by Alltournative Ecological Adventures.
Elon Musk has revealed a whole host of details about his subterranean tunnel transportation system called Loop.