after the eruption of Mount Sinabung, North Sumatra, Indonesia. 錫納朋火山噴發後, 蘇門答臘北部, 印尼

Karo, North Sumatra
Primary school children wear masks after the eruption of Mount Sinabung
Photograph: Gatha Ginting/AFP/Getty Images
Best photographs of the day: a greasy climb and a baby hippo | News | The Guardian
http://www.theguardian.com/news/gallery/2016/may/24/best-photographs-of-the-day-a-greasy-climb-and-a-baby-hippo