'This sun isn't normal': Extreme UV radiation is broiling Bolivia's highlands
CNN
Bolivia's highlands city of La Paz has been hit by an unusual heatwave, with levels of ultraviolet (UV) radiation soaring off the charts, exacerbated by unusually low levels of cloud cover some experts link to climate change.
Levels of UV radiation have at times in recent weeks hit 21 on a scale that normally only goes up as far as 20. According to the World Health Organization, a UV index of 11 is regarded as "extreme," with people cautioned to avoid exposure to the sun.
"The sun is burning. This sun isn't normal," said La Paz resident Segundina Mamani, as people in the city at 3,600 meters (11,800 feet) above sea level tried to keep cool by eating shaved ice and keeping to the shadows.
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