LAHORE, June 14, 2016 (Xinhua) -- A doctor operates a donated blood bag for a girl suffering from thalassemia on the World Blood Donor Day in eastern Pakistan's Lahore on June 14, 2016. The World Blood Donor Day is celebrated every year on June 14. The theme of this year's World Blood Donor Day is "Blood connects us all."(Xinhua/Sajjad)
