Afghan security force members take part in a military operation in Chahar Dara district of Kunduz province, Afghanistan, Jan. 16, 2018. The Kunduz province, as well as neighboring Baghlan and Takhar provinces, have been the hotbeds of heavy clashes over the past couple of months as Taliban has been trying to attack the government forces in the once relatively peaceful region. (Xinhua/Ajmal Kakar)