 The sculpture is made up of 800 meters (2,600 feet) of square section (12x12 cm/4.7 in) steel tube and 300 meters (984 feet) of LED illumination system.Its structure draws in the air the lines of the silhouette of the lost construction, recreating its volume in the form of a sketch.It measures 25 x 15 x 31 metres (82 x 49 x 101 feet) in height and weighs 44 short tons (40 metric tons).