一旦基础设施失效，人们的生理需要，瞬间把现代文明社会打回到原始社会。

Mountains of garbage and human waste are challenging efforts to keep U.S. national parks open during a partial shutdown of the federal government, National Parks Traveler reported.

In California, Yosemite National Park officials have closed the Wawona and Hodgson Meadows campgrounds, along with the Mariposa Grove of redwoods, after finding human feces and urinebeside Wawona Road, the Los Angeles Times reported.

“With restrooms closed, some visitors are opting to deposit their waste in natural areas adjacent to high traffic areas, which creates a health hazard for other visitors,” National Parks Service spokesman Andrew Munoz told the publication in an email.

“It’s a free-for-all,” said Dakota Snider, 24, a Yosemite Valley resident, reported The Associated Press. “It’s so heartbreaking. There is more trash and human waste and disregard for the rulesthan I’ve seen in my four years living here.”

Read more here: https://www.sacbee.com/news/nation-world/national/article223795490.html#storylink=cpy