</div></div>”],”filter”:”nextExceptions”:”img, blockquote, div”,”nextContainsExceptions”:”img, blockquote, a.btn, a.o-button”,”renderIntial”:true,”wordCount”:350}”> While visiting a national park, I’m hoping to get away from the sounds of traffic and text dings and modern-day noise. I want to see peaks and valleys and bears and elk. I want to see a lot—but hear nothing man-made. According to the National Park Service’s Natural Sounds and Night Skies Division, roughly 72 percent of all national-park visitors say one of the most important reasons for preserving our parks is to experience the sounds of nature. A helicopter on a scenic flight overhead as you’re looking out over Bryce Canyon is not a natural sound. Some two dozen national parks are wrestling…