Ash plumes rise from the crater of Mayon volcano in Albay Province, the Philippines, Jan. 23, 2018. The Philippine authorities raised the alert level for the Mayon volcano from level three to level four on Monday, meaning that a "hazardous eruption is imminent." (Xinhua/Rouelle Umali)
Hazardous eruption of Mayon volcano imminent: Philippine authorities
Source: Xinhua| 2018-01-23 18:56:24|Editor: Liangyu
KEY WORDS:Mayon volcano
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