A display system for generating a composite rear-view of a region behind a vehicle towing a trailer, the display system comprising: a first camera for outputting first image data corresponding to a first image, the first camera being configured to be mounted in a rear-facing orientation to the vehicle, and wherein at least a portion of the first image comprises a view of the front of the trailer; a second camera for outputting second image data corresponding to a second image, the second camera being configured to be mounted in a rear-facing orientation to the rear of the trailer such that the second image is unobstructed by the trailer; an image processor for receiving the first image data and the second image data; wherein the image processor is configured to select a sub-section of the second image data in dependence on a determined orientation of the trailer, wherein the determined orientation comprises a hitch angle relative to the vehicle; and combine the selected sub-section of the second image data and the first image data to generate composite rear-view image data such that that a portion of said first image is substituted with at least a portion of the second image such that the view of the front of the trailer is composited with the unobstructed second view, wherein the rear-view is a view in a direction towards the back of the vehicle. a first camera for outputting first image data corresponding to a first image, the first camera being configured to be mounted in a rear-facing orientation to the vehicle, and wherein at least a portion of the first image comprises a view of the front of the trailer; a second camera for outputting second image data corresponding to a second image, the second camera being configured to be mounted in a rear-facing orientation to the rear of the trailer such that the second image is unobstructed by the trailer; an image processor for receiving the first image data and the second image data; wherein the image processor is configured to select a sub-section of the second image data in dependence on a determined orientation of the trailer, wherein the determined orientation comprises a hitch angle relative to the vehicle; and combine the selected sub-section of the second image data and the first image data to generate composite rear-view image data such that that a portion of said first image is substituted with at least a portion of the second image such that the view of the front of the trailer is composited with the unobstructed second view, wherein the rear-view is a view in a direction towards the back of the vehicle. an image processor for receiving the first image data and the second image data; wherein the image processor is configured to select a sub-section of the second image data in dependence on a determined orientation of the trailer, wherein the determined orientation comprises a hitch angle relative to the vehicle; and combine the selected sub-section of the second image data and the first image data to generate composite rear-view image data such that that a portion of said first image is substituted with at least a portion of the second image such that the view of the front of the trailer is composited with the unobstructed second view, wherein the rear-view is a view in a direction towards the back of the vehicle.