This 360-degree VR video will guide you through the remains of the ancient Apulum in Alba Iulia, Roman castra that served as a military and economic center during the Roman Empire. After crossing through imposing entry to the castra, an antique paved street via principaIis will take you to #principia, headquaters, where you will find impressive lapidarium with emperors’ statues, tombstones and altars, while inside the principa you'll discover the Treasury of the legion, legionary standards for the Thirteenth Gemina and you will see amazing elements of the hypocaust, the Roman under-the-floor radiant heating system.