ID 309230154 © Stokimi | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
cave rock stone tunnel natural dungeon history ancient darkness underground cavern war shelter bunker protect through underpass warlike wartime martial military basement bombshelter catacombs defence defense fortification protection security civilians families escape bombing hide alarm children backpack descent stairs