Mayon: ผู้คนหนีออกจากภูเขาไฟฟิลิปปินส์อย่างต่อเนื่อง

From a hilltop observatory, volcanologist Paul Alanis looks for visual cues that could upgrade the alert level. Those alerts then determine how many people will need to be evacuated. When Level 3 was declared on 8 June, at least 13,000 people were immediately moved to shelters. Several thousands more were evacuated in the succeeding days.