FILE PHOTO: Smoke rises from a factory during the sunset at Keihin industrial zone in Kawasaki, Japan, January 16, 2017. Picture taken January 16, 2017. REUTERS/Toru Hanai
FILE PHOTO: Smoke rises from a factory during the sunset at Keihin industrial zone in Kawasaki, Japan, January 16, 2017. Picture taken January 16, 2017. REUTERS/Toru Hanai