An Afghan security force member stands guard during a military operation in Khuja Omari district of Ghazni province, eastern Afghanistan, Jan. 29, 2020. Ghazni province, 125 km south of the country's capital Kabul, has been the scene of heavy fighting between security forces and Taliban for a long time. (Photo: Xinhua)

Afghan security force members take part in a military operation in Khuja Omari district of Ghazni province, eastern Afghanistan, Jan. 29, 2020. Ghazni province, 125 km south of the country's capital Kabul, has been the scene of heavy fighting between security forces and Taliban for a long time.

An Afghan security force member takes position during a military operation in Khuja Omari district of Ghazni province, eastern Afghanistan, Jan. 29, 2020. Ghazni province, 125 km south of the country's capital Kabul, has been the scene of heavy fighting between security forces and Taliban for a long time.

An Afghan security force member takes position during a military operation in Khuja Omari district of Ghazni province, eastern Afghanistan, Jan. 29, 2020. Ghazni province, 125 km south of the country's capital Kabul, has been the scene of heavy fighting between security forces and Taliban for a long time.

An Afghan security force member takes position during a military operation in Khuja Omari district of Ghazni province, eastern Afghanistan, Jan. 29, 2020. Ghazni province, 125 km south of the country's capital Kabul, has been the scene of heavy fighting between security forces and Taliban for a long time.

An Afghan security force member stands on a military vehicle during a military operation in Khuja Omari district of Ghazni province, eastern Afghanistan, Jan. 29, 2020. Ghazni province, 125 km south of the country's capital Kabul, has been the scene of heavy fighting between security forces and Taliban for a long time.