🇺🇦World's Largest Labyrinth! - Odessa Catacombs (2500km)
Channel: Blockchain Travel
Date: 07/06/2020

A Tour of the World's Largest Labyrinth: The Odessa Catacombs. Stretching to an estimated total length of 2,500km, the Odessa Catacombs are perhaps the largest network of tunnels anywhere in the world.

#Odessa #Catacombs  #Ukraine