An Indonesian farmer passes a field as Mount Sinabung volcano spews thick smoke into the air in Karo, North Sumatra on December 2, 2017. Mount Sinabung roared back to life in 2010 for the first time in 400 years, after another period of inactivity it erupted once more in 2013, and has remained highly active since. (Photo by Ivan Damanik/AFP Photo)
