A woman walks along a waterfront area under an orange smoke-filled sky in San Francisco, California on Sept. 9, 2020.
Wildfires are raging across the U.S. states of California, Washington and Oregon, forcing tens of thousands of people from their homes.
The flames are being driven by warm winds amid record high temperatures.
In California alone this year, about a million hectares of land have been lost.
The BBC's Tim Oldman reports.
This is San Francisco in the middle of the day, the Golden Gate Bridge the same color as the dark orange skies surrounding it.
Smoke and ash blocking out the sun, making it feel like the end of the world.
[Clip: San Francisco resident]
"They say it's coming all the way from Oregon, which is a hundreds of miles away and it looks like the apocalypse right now. It's like nighttime in the daytime."
And this is the reason -- just one of the fires burning out of control here in California and also further north.
<Photo: Yonhap News>
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