Viral pictures of a glowing orange waterfall in Yosemite National Park, US known as 'firefall' have left social media users dumbstruck. "This unique lighting effect happens only on evenings with a clear sky when the waterfall is flowing," National Park Service (NPS) said. But this year, the National Park Service brought in entry restrictions and required people to book online due to the COVID-19 pandemic. Yosemite National Park warns on its website: 'This unique lighting effect happens only on evenings with a clear sky when the waterfall is flowing. The firefall also needs evenings with a clear sky, as even a slight haziness of cloudiness can diminish the effect.

Source: dna February 27, 2021 13:41 UTC