Herein is disclosed an unmanned aerial vehicle light flash comprising a support structure; a camera coupled to the support structure and configured to take a photograph; one or more processors coupled to the support structure and configured to control a predetermined flight plan of the unmanned aerial vehicle, control the camera, generate or process a synchronization signal to synchronize a light flash to be generated by a further unmanned aerial vehicle with a taking of the photograph by the camera; a transceiver coupled to the support structure and configured to transmit or receive the synchronization signal to or from the further unmanned aerial vehicle.