The Roman antiquities, t. 4, Plate IV. View of the Bridge and the Mausoleum, manufactured by Elio Emperor Adrian. 

This etching, "The Roman antiquities, t. 4, Plate IV. View of the Bridge and the Mausoleum, manufactured by Elio Emperor Adrian.," by Giovanni Battista Piranesi, is part of his influential series "The Roman Antiquities" that depicts the architectural ruins of ancient Rome. The detailed, almost scientific, illustration showcases the bridge and mausoleum of Hadrian. Piranesi's masterful use of light and shadow creates a sense of depth and grandeur, highlighting the architectural complexities of ancient Roman engineering. This etching is a testament to Piranesi's dedication to documenting and preserving the legacy of classical architecture.