The retina contains three cellular layers that work together to detect and transmit light signals to the brain (see diagram). (newscientist.com)
The second photo shows the rear of the vehicle after the rear axle has crossed the stop line, and one or more visible red light signals. (comedydriving.com)
You were driving to work, and you entered an intersection legally with a green traffic light signal giving you the right - of - way. (buymortgageprotection.com)