System for displaying a view of an external environment of an aircraft inside the aircraft, comprising: several optical couplers distributed across an outer surface of a fuselage of the aircraft and configured to capture light from the external environment of the aircraft; optical waveguides arranged through the fuselage to transmit the captured light from the optical couplers through the fuselage; at least one display (6a, 6b) arranged on the inside of the fuselage; and a processing unit configured to receive the captured light from several of the optical waveguides, to reconstruct a digital live image of the external environment by combining optical information contained in the captured light across the respective optical couplers and to display the digital live image on the at least one display (6a, 6b); and characterized in that the system further comprises an optical beam expander configured to receive the captured light from at least one of the optical waveguides, to expand the captured light into a light beam carrying a visual live image of the external environment and to project the visual live image on the at least one display (6a, 6b), wherein the at least one display (6a, 6b) comprises a hybrid display configured to selectively display on a shared screen the digital live image provided by the processing unit and the visual live image provided by the optical beam expander, wherein the shared screen is semi-transparent to transmit the visual live image provided by the optical beam expander, wherein the hybrid display is configured to dynamically adjust the digital live image provided by the processing unit to match the visual live image provided by the optical beam expander, and wherein the at least one display (6a, 6b) comprises several displays (6a, 6b) arranged on an inner wall of the fuselage and shaped to represent aircraft windows. several optical couplers distributed across an outer surface of a fuselage of the aircraft and configured to capture light from the external environment of the aircraft; optical waveguides arranged through the fuselage to transmit the captured light from the optical couplers through the fuselage; at least one display (6a, 6b) arranged on the inside of the fuselage; and a processing unit configured to receive the captured light from several of the optical waveguides, to reconstruct a digital live image of the external environment by combining optical information contained in the captured light across the respective optical couplers and to display the digital live image on the at least one display (6a, 6b); and characterized in that the system further comprises an optical beam expander configured to receive the captured light from at least one of the optical waveguides, to expand the captured light into a light beam carrying a visual live image of the external environment and to project the visual live image on the at least one display (6a, 6b), wherein the at least one display (6a, 6b) comprises a hybrid display configured to selectively display on a shared screen the digital live image provided by the processing unit and the visual live image provided by the optical beam expander, wherein the shared screen is semi-transparent to transmit the visual live image provided by the optical beam expander, wherein the hybrid display is configured to dynamically adjust the digital live image provided by the processing unit to match the visual live image provided by the optical beam expander, and wherein the at least one display (6a, 6b) comprises several displays (6a, 6b) arranged on an inner wall of the fuselage and shaped to represent aircraft windows.