The Grič tunnel in Zagreb is 350 meters long and 3 to 5.5 meters wide (in the central part), connects two streets - Mesnička and Radićeva, has six exits. It was designed in 1943 during the existence of the Independent State of Croatia (Nezavisna Država Hrvatska), it was to serve as a shelter during the bombing of the city by the Allies.
The tunnel was completed in 1945. After World War II, it served various functions, in the 1950s, for example, a warehouse for fruit and vegetables was created. He served as a shelter again during the Civil War (1991-1995). Various interesting cultural events took place in this period, e.g. the rave party in 1993.
In 2015-2016 the tunnel was restored, modern lighting installed in it, new concrete layers were laid on the walls to strengthen them and ensure safety. The tunnel is open to pedestrians only.