The image is a vintage illustration titled "Fig. 101" depicting three cubes arranged in a row. Each cube is divided into nine smaller squares, forming a 3x3 grid. The cubes are labeled as the beginning of the first, second, and third tesseracts, going into the fourth dimension. The color scheme varies for each cube: **Cube 1:** - Top row: Null, White, Null - Middle row: Yellow, Light yellow, Yellow - Bottom row: Null, White, Null **Cube 2:** - Top row: Blue, Light blue, Blue - Middle row: Green, Light green, Green - Bottom row: Blue, Light blue, Blue **Cube 3:** - Top row: Red, Pink, Red - Middle row: Orange, Ochre, Orange - Bottom row: Red, Pink, Red Below each cube is a caption describing it as the beginning of a tesseract. The background is a faded yellow, typical of old illustrations. The image appears to be a diagram from a mathematical or scientific text, possibly related to geometry or higher dimensions.