By Filling the Galleries They Had Spent Twenty Years Digging with Explosives, Soldiers Literally Wiped Out a Multi-Billion Dollar Construction Site.

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In May 1992, the Yugoslav army detonated 56 tons of explosives to destroy the underground airbase of Željava, one of its largest and most expensive military projects ever built. This fortress, dug in the mountain for two decades, supposed to survive a nuclear attack, disappeared in one night. Three decades later, the site remains a mined and inaccessible ghost. More