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Photo taken on Jan. 4, 2018 shows volcanic ash spew from Mount Sinabung in Karo, North Sumatra, Indonesia. Mount Sinabung is one of Indonesia's 129 active volcanoes. (Xinhua/Alberth Damanik)
Photo taken on Jan. 4, 2018 shows volcanic ash spew from Mount Sinabung in Karo, North Sumatra, Indonesia. Mount Sinabung is one of Indonesia's 129 active volcanoes. (Xinhua/Alberth Damanik)