Animals hit harder, you're completely reliant on your memory and knowledge of the area, and, best of all, there's no magical, glowing line indicating where to go and what to do. (gameluster.com)
Visitors can venture through a recreated New Zealand cave where gnat larvae string glowing lines to ensnare the insects they eat, and can explore the underwater world of a jellyfish that absorbs blue light and, for reasons unknown, radiates flashes of green. (discovermagazine.com)
A thin, dimly glowing line directly above — coming and going as the clouds moved slowly overhead — was far - side light. (bookbrowse.com)