The Odessa catacombs are a vast network of underground tunnels and chambers located beneath the city of Odesa, Ukraine. These catacombs are believed to be the largest in the world, stretching for over 2,500 kilometers and reaching depths of up to 60 meters.
The catacombs were originally created in the 19th century as limestone mines, which were used to construct many of the city's buildings. However, during World War II, the catacombs became a refuge for Soviet partisans and local residents who were hiding from the occupying German forces.
Today, the Odessa catacombs are a popular tourist attraction, with visitors able to explore a small portion of the tunnels on guided tours. The catacombs are known for their intricate network of passages, many of which are adorned with graffiti and other artwork.
Despite their popularity, the catacombs can be dangerous to explore, with many areas prone to collapse or flooding. Visitors are advised to only explore the catacombs with a trained guide and to take appropriate safety precautions.
Overall, the Odessa catacombs are a fascinating and unique attraction, offering a glimpse into the history and culture of this vibrant Ukrainian city.