most powerful fortifications in blood of all stock after the defeat of the russian naval base at port arthur in one thousand and five during the war with japan. special care was taken to protect personnel from shells the votes were reinforced with forming to thick concrete underground passages were also built between the caves. the fortifications cost seventy three tons of gold which equated at the time to approximately two hundred million dollars. to refer to the cations and let it all stop the saying every fortification has its unique layout depending on a particular district. the fortifications have been built of the highest points. the garrison of such fortifications could defend independently each holding out for two months of the most vulnerable parts of the fortification where the enemy could dig underneath the buildings dug what are known as count a mine galleries these are the deepest underground vaults of the fortress. we. would see it in these. listening to what was happening on the other if they heard someone digging underneath a ford these were extended that way everything would