light pollution caused by cities\u2019 usage of artificial light creates a halo in the night sky that can be visible for miles to come. in 2016, 80% of the world \u2014 and 99% of the united states and europe \u2014 lived under skyglow, an artificially brightened night sky. the bright glow of manmade lighting washes out the milky way, posing a dilemma for photographers who travel far distances to photograph the natural sky. night sky photographers said the trek pays off \u2014 the resulting photographs give city-dwellers a glimpse of the natural night sky, aiding their understanding of the very visible impacts of light pollution.<\/p>\n