Pillar Edge Facing the Sea. Below the hill lies the Tbilisi Reservoir, known to everyone as the Tbilisi Sea — an artificial lake created in the mid-20th century that gives the memorial its sweeping backdrop. A high viewpoint where the bronze meets the open sky and the water of the reservoir spreads below. Georgian monks kept learning alive in monasteries far from home — at Iviron on Mount Athos, in Jerusalem and on Mount Sinai.