Qatar's AL Duhail SC's Karim Boudiaf(C) celebrates with teammates after scoring the first goal against Iran's Zob Ahan Esfahan F.C during the AFC Asian Champions League group B football match at Abdullah Bin Khalifa Stadium in Doha, Capital of Qatar, Feb 12, 2018. Qatar's AL Duhail won 3-1. (Xinhua/Nikku)