Mobile inspection tunnel for illuminating reflective surfaces of objects positioned in the inner inspection area of the tunnel, the tunnel having opposed openings at the two ends which are spaced along the length of the tunnel, the tunnel comprising at least one modular tunnel element between the openings, each modular tunnel element having a double-walled tunnel wall (1) spanning the inner inspection area, the tunnel wall comprising: a. at least one LED carrier plate (1a), i. wherein the at least one LED carrier plate forms the outer wall of the double-walled tunnel wall (1), ii. wherein the at least one LED carrier plate (1a) is at least partially curved, iii. wherein the at least one LED carrier plate (1a) carries a plurality of electrically controllable light sources (2) which are arranged on the inner surface of the plate (1a) and are designed to emit light in the direction of the inner inspection area, b. at least one translucent, light-scattering sheet (1b), i. wherein the at least one light-scattering sheet (1b) forms the inner wall of the double-walled tunnel wall (1), ii. wherein the at least one light-scattering sheet (1b) is at least partially curved, iii. wherein the at least one light-scattering sheet (1b) is arranged on the inside of the LED carrier sheet (1a) at a distance from the LED carrier sheet (1a) along its entire extent, iv. wherein the at least one light-scattering plate (1b) is designed to be illuminated by the light emitted by the light sources (2) of the LED carrier plate (1a) and to scatter the light in the direction of the inspection area, characterized in that the curved Area of the LED carrier plate (1a) is formed in the material of the LED carrier plate (1a) by elastic bending of the LED carrier plate (1a) from a relaxed planar shape into a bent, curved state and the curved area of the light-diffusing plate (1b ) is formed into the material of the light-diffusing sheet (1b) by elastic bending of the light-diffusing sheet (1b) from a relaxed planar shape into a bent curved state, both sheets (1a, 1b) by means of a support structure (7) of the modular Tunnel element, to which at least the LED carrier plate (1a) is attached, are held in a curved shape, in particular the curved, light-scattering plate (1b) dur ch the bent LED carrier plate (1a) is held.
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