SONIC WORLD
I INVISIBLE ARCHITECTURE OF BELGRADE FORTIFICATION I
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The gates of Belgrade's fortifications, among their ramparts and earth deposits, hide numerous invisible testimonies about the centuries-old history of the city. The research that preceded the project aimed to penetrate the depths of the past and make them available for some new interpretations.
portal
I por·tal | \ ˈpȯr-tᵊl
Magical and technological entrance to another location, another time period, another dimension
Merriam - Webster dictionary