Quick stroll through a short portion of the Sarajevo Tunnel, which was dug beneath the city's airport during the Siege of Sarajevo. The city was entirely cut-off by Serb-led forces at the time; the tunnel allowed much-needed humanitarian aid to come into the city and helped people get out. It also provided beleaguered residents a way to bypass the international arms embargo.
At the Sarajevo Tunnel Museum, 29-Jun-2011
A little more on my blog here: