Volcanic ash, Mount Rinjani, on the Indonesian island of Lombok. 火山灰

Volcanic ash is seen during an eruption inside the crater of Mount Rinjani on the Indonesian island of Lombok October 25, 2015 in this photo taken by Antara Foto. (Photo by Lalu Edi/Reuters/Antara Foto)
The Day in Photos – November 5, 2015
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