563 Ukraine - home to the worlds largest underground tunnel system (link to photos and video in comments) (media.greatawakening.win) posted 2 years ago by Vapourface 2 years ago by Vapourface +563 / -0 104 comments download share 104 comments share download save hide report block hide replies
Some of the tunnels are available to explore via tours in Odessa. They were used as resistance shelters for Jews during the war.