More than 62 square miles of Los Angeles have burned after rapid wildfires broke out last week.
Firefighters are racing to fight the flames and prevent further destruction, like that seen from Pasadena to the Palisades Fire along the Pacific Coast.
Planes have been dropping thousands of gallons of water in a bid to stop the embers from spreading, as well as large amounts of a mysterious pink substance.
The pink stuff is called Phos-Chek, and is the most-used fire retardant in the world, having been used in California since 1963.
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