The image presents an upward-looking view within the TGV station at Lyon-Saint Exupéry Airport in Colombier-Saugnieu, France

The image presents an upward-looking view within the TGV station at Lyon-Saint Exupéry Airport in Colombier-Saugnieu, France. A large, diamond-shaped skylight occupies the central portion of the frame, segmented into numerous trapezoidal and triangular glass panes by dark, rectilinear framing. These panes reveal a clear, light blue sky with some minor surface streaks, possibly from moisture or dust, on the glass. The skylight is structurally supported by massive, curvilinear concrete elements that form organic, undulating arches and vaults. Strong, directional natural light streams through the skylight, casting pronounced shadows across the smooth, grey concrete surfaces, creating high contrast and defining the architectural forms. Portions of similar skylight systems and supporting arches are visible in the periphery, indicating a larger, intricate ceiling design. No individuals or movable objects are present in the scene.