KABUL, July 21, 2016 (Xinhua) -- Afghan farmers work on their farmland on the outskirt of Kabul, capital of Afghanistan, July 21, 2016. The agricultural sector, the backbone of the national economy in the land-locked country, has been affected due to drought as well as persistent fighting and instability in rural areas over the past couple of years. (Xinhua/Rahmat Alizadah)
